diff --git a/rpc-toolkit/src/cli.rs b/rpc-toolkit/src/cli.rs
index dd98ca9..6ba2d37 100644
--- a/rpc-toolkit/src/cli.rs
+++ b/rpc-toolkit/src/cli.rs
@@ -67,7 +67,7 @@ impl<Context: crate::Context + Clone, Config: CommandFactory + FromArgMatches>
             parent_method: VecDeque::new(),
             method: method.clone(),
             params: params.clone(),
-            inherited: Value::Object(InOMap::new()),
+            inherited: crate::Empty {},
         })?;
         root_handler.cli_display(
             HandleAnyArgs {
@@ -75,7 +75,7 @@ impl<Context: crate::Context + Clone, Config: CommandFactory + FromArgMatches>
                 parent_method: VecDeque::new(),
                 method,
                 params,
-                inherited: Value::Object(InOMap::new()),
+                inherited: crate::Empty {},
             },
             res,
         )?;
diff --git a/rpc-toolkit/src/handler/adapters.rs b/rpc-toolkit/src/handler/adapters.rs
index 2b05cd5..a4ea662 100644
--- a/rpc-toolkit/src/handler/adapters.rs
+++ b/rpc-toolkit/src/handler/adapters.rs
@@ -10,11 +10,11 @@ use serde::de::DeserializeOwned;
 use serde::Serialize;
 use yajrc::RpcError;
 
-use crate::util::{internal_error, parse_error, Flat, PhantomData};
+use crate::util::{internal_error, Flat, PhantomData};
 use crate::{
     iter_from_ctx_and_handler, AnyContext, AnyHandler, CallRemote, CliBindings, DynHandler,
     EitherContext, Handler, HandlerArgs, HandlerArgsFor, HandlerTypes, IntoContext, IntoHandlers,
-    PrintCliResult,
+    OrEmpty, PrintCliResult,
 };
 
 pub trait HandlerExt: Handler + Sized {
@@ -106,18 +106,22 @@ impl<H: HandlerTypes> HandlerTypes for NoCli<H> {
     type Ok = H::Ok;
     type Err = H::Err;
 }
-impl<H> IntoHandlers for NoCli<H>
+impl<H, A, B> IntoHandlers<Flat<A, B>> for NoCli<H>
 where
     H: Handler,
     H::Params: DeserializeOwned,
-    H::InheritedParams: DeserializeOwned,
+    H::InheritedParams: OrEmpty<Flat<A, B>>,
     H::Ok: Serialize + DeserializeOwned,
     RpcError: From<H::Err>,
+    A: Send + Sync + 'static,
+    B: Send + Sync + 'static,
 {
-    fn into_handlers(self) -> impl IntoIterator<Item = (Option<TypeId>, DynHandler)> {
+    fn into_handlers(self) -> impl IntoIterator<Item = (Option<TypeId>, DynHandler<Flat<A, B>>)> {
         iter_from_ctx_and_handler(
             self.0.contexts(),
-            DynHandler::WithoutCli(Arc::new(AnyHandler::new(self.0))),
+            DynHandler::WithoutCli(Arc::new(AnyHandler::new(
+                self.0.with_inherited(|a, b| OrEmpty::from_t(Flat(a, b))),
+            ))),
         )
     }
 }
diff --git a/rpc-toolkit/src/handler/from_fn.rs b/rpc-toolkit/src/handler/from_fn.rs
index a8b6777..02144b8 100644
--- a/rpc-toolkit/src/handler/from_fn.rs
+++ b/rpc-toolkit/src/handler/from_fn.rs
@@ -461,7 +461,7 @@ where
     Context: IntoContext,
     F: Fn(Context, Params, InheritedParams) -> Result<T, E> + Send + Sync + Clone + 'static,
     Params: DeserializeOwned + Send + Sync + 'static,
-    InheritedParams: DeserializeOwned + Send + Sync + 'static,
+    InheritedParams: Send + Sync + 'static,
     T: Send + Sync + 'static,
     E: Send + Sync + 'static,
 {
@@ -477,7 +477,7 @@ where
     Context: IntoContext,
     F: Fn(Context, Params, InheritedParams) -> Result<T, E> + Send + Sync + Clone + 'static,
     Params: DeserializeOwned + Send + Sync + 'static,
-    InheritedParams: DeserializeOwned + Send + Sync + 'static,
+    InheritedParams: Send + Sync + 'static,
     T: Send + Sync + 'static,
     E: Send + Sync + 'static,
 {
@@ -515,7 +515,7 @@ where
     F: Fn(Context, Params, InheritedParams) -> Fut + Send + Sync + Clone + 'static,
     Fut: Future<Output = Result<T, E>> + Send + 'static,
     Params: DeserializeOwned + Send + Sync + 'static,
-    InheritedParams: DeserializeOwned + Send + Sync + 'static,
+    InheritedParams: Send + Sync + 'static,
     T: Send + Sync + 'static,
     E: Send + Sync + 'static,
 {
@@ -532,7 +532,7 @@ where
     F: Fn(Context, Params, InheritedParams) -> Fut + Send + Sync + Clone + 'static,
     Fut: Future<Output = Result<T, E>> + Send + 'static,
     Params: DeserializeOwned + Send + Sync + 'static,
-    InheritedParams: DeserializeOwned + Send + Sync + 'static,
+    InheritedParams: Send + Sync + 'static,
     T: Send + Sync + 'static,
     E: Send + Sync + 'static,
 {
diff --git a/rpc-toolkit/src/handler/mod.rs b/rpc-toolkit/src/handler/mod.rs
index 51e5a66..1a5a643 100644
--- a/rpc-toolkit/src/handler/mod.rs
+++ b/rpc-toolkit/src/handler/mod.rs
@@ -21,21 +21,20 @@ pub use adapters::*;
 pub use from_fn::*;
 pub use parent::*;
 
-pub(crate) struct HandleAnyArgs {
+pub(crate) struct HandleAnyArgs<Inherited> {
     pub(crate) context: AnyContext,
     pub(crate) parent_method: VecDeque<&'static str>,
     pub(crate) method: VecDeque<&'static str>,
     pub(crate) params: Value,
-    pub(crate) inherited: Value,
+    pub(crate) inherited: Inherited,
 }
-impl HandleAnyArgs {
+impl<Inherited: Send + Sync> HandleAnyArgs<Inherited> {
     fn downcast<Context: IntoContext, H>(
         self,
     ) -> Result<HandlerArgsFor<Context, H>, imbl_value::Error>
     where
-        H: HandlerTypes,
+        H: HandlerTypes<InheritedParams = Inherited>,
         H::Params: DeserializeOwned,
-        H::InheritedParams: DeserializeOwned,
     {
         let Self {
             context,
@@ -52,7 +51,7 @@ impl HandleAnyArgs {
             parent_method,
             method,
             params: imbl_value::from_value(params.clone())?,
-            inherited_params: imbl_value::from_value(inherited.clone())?,
+            inherited_params: inherited,
             raw_params: params,
         })
     }
@@ -60,8 +59,12 @@ impl HandleAnyArgs {
 
 #[async_trait::async_trait]
 pub(crate) trait HandleAny: Send + Sync {
-    fn handle_sync(&self, handle_args: HandleAnyArgs) -> Result<Value, RpcError>;
-    async fn handle_async(&self, handle_args: HandleAnyArgs) -> Result<Value, RpcError>;
+    type Inherited: Send;
+    fn handle_sync(&self, handle_args: HandleAnyArgs<Self::Inherited>) -> Result<Value, RpcError>;
+    async fn handle_async(
+        &self,
+        handle_args: HandleAnyArgs<Self::Inherited>,
+    ) -> Result<Value, RpcError>;
     fn metadata(
         &self,
         method: VecDeque<&'static str>,
@@ -71,10 +74,14 @@ pub(crate) trait HandleAny: Send + Sync {
 }
 #[async_trait::async_trait]
 impl<T: HandleAny> HandleAny for Arc<T> {
-    fn handle_sync(&self, handle_args: HandleAnyArgs) -> Result<Value, RpcError> {
+    type Inherited = T::Inherited;
+    fn handle_sync(&self, handle_args: HandleAnyArgs<Self::Inherited>) -> Result<Value, RpcError> {
         self.deref().handle_sync(handle_args)
     }
-    async fn handle_async(&self, handle_args: HandleAnyArgs) -> Result<Value, RpcError> {
+    async fn handle_async(
+        &self,
+        handle_args: HandleAnyArgs<Self::Inherited>,
+    ) -> Result<Value, RpcError> {
         self.deref().handle_async(handle_args).await
     }
     fn metadata(
@@ -90,13 +97,18 @@ impl<T: HandleAny> HandleAny for Arc<T> {
 }
 
 pub(crate) trait CliBindingsAny {
+    type Inherited;
     fn cli_command(&self, ctx_ty: TypeId) -> Command;
     fn cli_parse(
         &self,
         matches: &ArgMatches,
         ctx_ty: TypeId,
     ) -> Result<(VecDeque<&'static str>, Value), clap::Error>;
-    fn cli_display(&self, handle_args: HandleAnyArgs, result: Value) -> Result<(), RpcError>;
+    fn cli_display(
+        &self,
+        handle_args: HandleAnyArgs<Self::Inherited>,
+        result: Value,
+    ) -> Result<(), RpcError>;
 }
 
 pub trait CliBindings: HandlerTypes {
@@ -172,24 +184,41 @@ where
     }
 }
 
-pub(crate) trait HandleAnyWithCli: HandleAny + CliBindingsAny {}
-impl<T: HandleAny + CliBindingsAny> HandleAnyWithCli for T {}
+pub(crate) trait HandleAnyWithCli<Inherited>:
+    HandleAny<Inherited = Inherited> + CliBindingsAny<Inherited = Inherited>
+{
+}
+impl<Inherited, T: HandleAny<Inherited = Inherited> + CliBindingsAny<Inherited = Inherited>>
+    HandleAnyWithCli<Inherited> for T
+{
+}
 
-#[derive(Clone)]
 #[allow(private_interfaces)]
-pub enum DynHandler {
-    WithoutCli(Arc<dyn HandleAny>),
-    WithCli(Arc<dyn HandleAnyWithCli>),
+pub enum DynHandler<Inherited> {
+    WithoutCli(Arc<dyn HandleAny<Inherited = Inherited>>),
+    WithCli(Arc<dyn HandleAnyWithCli<Inherited>>),
+}
+impl<Inherited> Clone for DynHandler<Inherited> {
+    fn clone(&self) -> Self {
+        match self {
+            Self::WithCli(a) => Self::WithCli(a.clone()),
+            Self::WithoutCli(a) => Self::WithoutCli(a.clone()),
+        }
+    }
 }
 #[async_trait::async_trait]
-impl HandleAny for DynHandler {
-    fn handle_sync(&self, handle_args: HandleAnyArgs) -> Result<Value, RpcError> {
+impl<Inherited: Send> HandleAny for DynHandler<Inherited> {
+    type Inherited = Inherited;
+    fn handle_sync(&self, handle_args: HandleAnyArgs<Self::Inherited>) -> Result<Value, RpcError> {
         match self {
             DynHandler::WithoutCli(h) => h.handle_sync(handle_args),
             DynHandler::WithCli(h) => h.handle_sync(handle_args),
         }
     }
-    async fn handle_async(&self, handle_args: HandleAnyArgs) -> Result<Value, RpcError> {
+    async fn handle_async(
+        &self,
+        handle_args: HandleAnyArgs<Self::Inherited>,
+    ) -> Result<Value, RpcError> {
         match self {
             DynHandler::WithoutCli(h) => h.handle_async(handle_args).await,
             DynHandler::WithCli(h) => h.handle_async(handle_args).await,
@@ -309,11 +338,11 @@ impl<H: std::fmt::Debug> std::fmt::Debug for AnyHandler<H> {
 impl<H: Handler> HandleAny for AnyHandler<H>
 where
     H::Params: DeserializeOwned,
-    H::InheritedParams: DeserializeOwned,
     H::Ok: Serialize,
     RpcError: From<H::Err>,
 {
-    fn handle_sync(&self, handle_args: HandleAnyArgs) -> Result<Value, RpcError> {
+    type Inherited = H::InheritedParams;
+    fn handle_sync(&self, handle_args: HandleAnyArgs<Self::Inherited>) -> Result<Value, RpcError> {
         imbl_value::to_value(
             &self
                 .0
@@ -321,7 +350,10 @@ where
         )
         .map_err(internal_error)
     }
-    async fn handle_async(&self, handle_args: HandleAnyArgs) -> Result<Value, RpcError> {
+    async fn handle_async(
+        &self,
+        handle_args: HandleAnyArgs<Self::Inherited>,
+    ) -> Result<Value, RpcError> {
         imbl_value::to_value(
             &self
                 .0
@@ -346,10 +378,10 @@ impl<H: CliBindings> CliBindingsAny for AnyHandler<H>
 where
     H: CliBindings,
     H::Params: DeserializeOwned,
-    H::InheritedParams: DeserializeOwned,
     H::Ok: Serialize + DeserializeOwned,
     RpcError: From<H::Err>,
 {
+    type Inherited = H::InheritedParams;
     fn cli_command(&self, ctx_ty: TypeId) -> Command {
         self.0.cli_command(ctx_ty)
     }
@@ -360,7 +392,11 @@ where
     ) -> Result<(VecDeque<&'static str>, Value), clap::Error> {
         self.0.cli_parse(matches, ctx_ty)
     }
-    fn cli_display(&self, handle_args: HandleAnyArgs, result: Value) -> Result<(), RpcError> {
+    fn cli_display(
+        &self,
+        handle_args: HandleAnyArgs<Self::Inherited>,
+        result: Value,
+    ) -> Result<(), RpcError> {
         self.0
             .cli_display(
                 handle_args.downcast::<_, H>().map_err(invalid_params)?,
@@ -373,9 +409,19 @@ where
 #[derive(Debug, Clone, Copy, Deserialize, Serialize, Parser)]
 pub struct Empty {}
 
-pub(crate) trait OrEmpty<T> {}
-impl<T> OrEmpty<T> for T {}
-impl<A, B> OrEmpty<Flat<A, B>> for Empty {}
+pub(crate) trait OrEmpty<T> {
+    fn from_t(t: T) -> Self;
+}
+impl<T> OrEmpty<T> for T {
+    fn from_t(t: T) -> Self {
+        t
+    }
+}
+impl<A, B> OrEmpty<Flat<A, B>> for Empty {
+    fn from_t(t: Flat<A, B>) -> Self {
+        Empty {}
+    }
+}
 
 #[derive(Debug, Clone, Copy, Deserialize, Serialize, Parser)]
 pub enum Never {}
diff --git a/rpc-toolkit/src/handler/parent.rs b/rpc-toolkit/src/handler/parent.rs
index 04fc49d..0b61eab 100644
--- a/rpc-toolkit/src/handler/parent.rs
+++ b/rpc-toolkit/src/handler/parent.rs
@@ -4,7 +4,7 @@ use std::sync::Arc;
 
 use clap::{ArgMatches, Command, CommandFactory, FromArgMatches};
 use imbl_value::imbl::{OrdMap, OrdSet};
-use imbl_value::{to_value, Value};
+use imbl_value::Value;
 use serde::de::DeserializeOwned;
 use serde::Serialize;
 use yajrc::RpcError;
@@ -12,33 +12,37 @@ use yajrc::RpcError;
 use crate::util::{combine, Flat, PhantomData};
 use crate::{
     AnyContext, AnyHandler, CliBindings, DynHandler, Empty, HandleAny, HandleAnyArgs, Handler,
-    HandlerArgs, HandlerArgsFor, HandlerTypes, IntoContext, OrEmpty,
+    HandlerArgs, HandlerArgsFor, HandlerExt, HandlerTypes, IntoContext, OrEmpty,
 };
 
-pub trait IntoHandlers: HandlerTypes {
-    fn into_handlers(self) -> impl IntoIterator<Item = (Option<TypeId>, DynHandler)>;
+pub trait IntoHandlers<Inherited>: HandlerTypes {
+    fn into_handlers(self) -> impl IntoIterator<Item = (Option<TypeId>, DynHandler<Inherited>)>;
 }
 
-impl<H> IntoHandlers for H
+impl<H, A, B> IntoHandlers<Flat<A, B>> for H
 where
     H: Handler + CliBindings,
     H::Params: DeserializeOwned,
-    H::InheritedParams: DeserializeOwned,
+    H::InheritedParams: OrEmpty<Flat<A, B>>,
     H::Ok: Serialize + DeserializeOwned,
     RpcError: From<H::Err>,
+    A: Send + Sync + 'static,
+    B: Send + Sync + 'static,
 {
-    fn into_handlers(self) -> impl IntoIterator<Item = (Option<TypeId>, DynHandler)> {
+    fn into_handlers(self) -> impl IntoIterator<Item = (Option<TypeId>, DynHandler<Flat<A, B>>)> {
         iter_from_ctx_and_handler(
             intersect_type_ids(self.contexts(), <Self as CliBindings>::Context::type_ids()),
-            DynHandler::WithCli(Arc::new(AnyHandler::new(self))),
+            DynHandler::WithCli(Arc::new(AnyHandler::new(
+                self.with_inherited(|a, b| OrEmpty::from_t(Flat(a, b))),
+            ))),
         )
     }
 }
 
-pub(crate) fn iter_from_ctx_and_handler(
+pub(crate) fn iter_from_ctx_and_handler<Inherited>(
     ctx: Option<OrdSet<TypeId>>,
-    handler: DynHandler,
-) -> impl IntoIterator<Item = (Option<TypeId>, DynHandler)> {
+    handler: DynHandler<Inherited>,
+) -> impl IntoIterator<Item = (Option<TypeId>, DynHandler<Inherited>)> {
     if let Some(ctx) = ctx {
         itertools::Either::Left(ctx.into_iter().map(Some))
     } else {
@@ -67,13 +71,19 @@ impl<'a> std::borrow::Borrow<Option<&'a str>> for Name {
     }
 }
 
-#[derive(Clone)]
-pub(crate) struct SubcommandMap(pub(crate) OrdMap<Name, OrdMap<Option<TypeId>, DynHandler>>);
-impl SubcommandMap {
+pub(crate) struct SubcommandMap<Inherited>(
+    pub(crate) OrdMap<Name, OrdMap<Option<TypeId>, DynHandler<Inherited>>>,
+);
+impl<Inherited> Clone for SubcommandMap<Inherited> {
+    fn clone(&self) -> Self {
+        Self(self.0.clone())
+    }
+}
+impl<Inherited> SubcommandMap<Inherited> {
     fn insert(
         &mut self,
         name: Option<&'static str>,
-        handlers: impl IntoIterator<Item = (Option<TypeId>, DynHandler)>,
+        handlers: impl IntoIterator<Item = (Option<TypeId>, DynHandler<Inherited>)>,
     ) {
         let mut for_name = self.0.remove(&name).unwrap_or_default();
         for (ctx_ty, handler) in handlers {
@@ -82,7 +92,11 @@ impl SubcommandMap {
         self.0.insert(Name(name), for_name);
     }
 
-    fn get<'a>(&'a self, ctx_ty: TypeId, name: Option<&str>) -> Option<(Name, &'a DynHandler)> {
+    fn get<'a>(
+        &'a self,
+        ctx_ty: TypeId,
+        name: Option<&str>,
+    ) -> Option<(Name, &'a DynHandler<Inherited>)> {
         if let Some((name, for_name)) = self.0.get_key_value(&name) {
             if let Some(for_ctx) = for_name.get(&Some(ctx_ty)) {
                 Some((*name, for_ctx))
@@ -96,8 +110,8 @@ impl SubcommandMap {
 }
 
 pub struct ParentHandler<Params = Empty, InheritedParams = Empty> {
-    _phantom: PhantomData<(Params, InheritedParams)>,
-    pub(crate) subcommands: SubcommandMap,
+    _phantom: PhantomData<Params>,
+    pub(crate) subcommands: SubcommandMap<Flat<Params, InheritedParams>>,
     metadata: OrdMap<&'static str, Value>,
 }
 impl<Params, InheritedParams> ParentHandler<Params, InheritedParams> {
@@ -141,8 +155,7 @@ impl<Params, InheritedParams> ParentHandler<Params, InheritedParams> {
     #[allow(private_bounds)]
     pub fn subcommand<H>(mut self, name: &'static str, handler: H) -> Self
     where
-        H: IntoHandlers,
-        H::InheritedParams: OrEmpty<Flat<Params, InheritedParams>>,
+        H: IntoHandlers<Flat<Params, InheritedParams>>,
     {
         self.subcommands
             .insert(name.into(), handler.into_handlers());
@@ -151,8 +164,7 @@ impl<Params, InheritedParams> ParentHandler<Params, InheritedParams> {
     #[allow(private_bounds)]
     pub fn root_handler<H>(mut self, handler: H) -> Self
     where
-        H: IntoHandlers<Params = Empty>,
-        H::InheritedParams: OrEmpty<Flat<Params, InheritedParams>>,
+        H: IntoHandlers<Flat<Params, InheritedParams>>,
     {
         self.subcommands.insert(None, handler.into_handlers());
         self
@@ -182,9 +194,9 @@ where
             context,
             mut parent_method,
             mut method,
+            params,
             inherited_params,
             raw_params,
-            ..
         }: HandlerArgsFor<AnyContext, Self>,
     ) -> Result<Self::Ok, Self::Err> {
         let cmd = method.pop_front();
@@ -197,7 +209,7 @@ where
                 parent_method,
                 method,
                 params: raw_params,
-                inherited: to_value(&inherited_params)?,
+                inherited: Flat(params, inherited_params),
             })
         } else {
             Err(yajrc::METHOD_NOT_FOUND_ERROR)
@@ -209,9 +221,9 @@ where
             context,
             mut parent_method,
             mut method,
+            params,
             inherited_params,
             raw_params,
-            ..
         }: HandlerArgsFor<AnyContext, Self>,
     ) -> Result<Self::Ok, Self::Err> {
         let cmd = method.pop_front();
@@ -225,7 +237,7 @@ where
                     parent_method,
                     method,
                     params: raw_params,
-                    inherited: to_value(&inherited_params)?,
+                    inherited: Flat(params, inherited_params),
                 })
                 .await
         } else {
@@ -330,9 +342,9 @@ where
             context,
             mut parent_method,
             mut method,
+            params,
             inherited_params,
             raw_params,
-            ..
         }: HandlerArgsFor<AnyContext, Self>,
         result: Self::Ok,
     ) -> Result<(), Self::Err> {
@@ -349,7 +361,7 @@ where
                     parent_method,
                     method,
                     params: raw_params,
-                    inherited: to_value(&inherited_params)?,
+                    inherited: Flat(params, inherited_params),
                 },
                 result,
             )
diff --git a/rpc-toolkit/src/server/mod.rs b/rpc-toolkit/src/server/mod.rs
index 4dbf590..3d86e02 100644
--- a/rpc-toolkit/src/server/mod.rs
+++ b/rpc-toolkit/src/server/mod.rs
@@ -8,7 +8,7 @@ use imbl_value::{InOMap, Value};
 use yajrc::{RpcError, RpcMethod};
 
 use crate::util::{invalid_request, JobRunner};
-use crate::{AnyHandler, HandleAny, HandleAnyArgs, IntoContext, ParentHandler};
+use crate::{AnyHandler, Empty, HandleAny, HandleAnyArgs, IntoContext, ParentHandler};
 
 pub type GenericRpcMethod = yajrc::GenericRpcMethod<String, Value, Value>;
 pub type RpcRequest = yajrc::RpcRequest<GenericRpcMethod>;
@@ -66,7 +66,7 @@ impl<Context: crate::Context> Server<Context> {
                     parent_method: VecDeque::new(),
                     method: method.ok_or_else(|| yajrc::METHOD_NOT_FOUND_ERROR)?,
                     params,
-                    inherited: Value::Object(InOMap::new()),
+                    inherited: crate::Empty {},
                 })
                 .await
         }
diff --git a/rpc-toolkit/tests/handler.rs b/rpc-toolkit/tests/handler.rs
index cc6e203..c07e0c9 100644
--- a/rpc-toolkit/tests/handler.rs
+++ b/rpc-toolkit/tests/handler.rs
@@ -159,7 +159,7 @@ fn make_api() -> ParentHandler {
         .subcommand(
             "fizz",
             ParentHandler::<InheritParams>::new().root_handler(
-                from_fn(|c: CliContext, _, InheritParams { donde }| {
+                from_fn(|c: CliContext, _: Empty, InheritParams { donde }| {
                     Ok::<_, RpcError>(
                         format!(
                             "Root Command: Host {host} Donde = {donde}",
@@ -174,7 +174,7 @@ fn make_api() -> ParentHandler {
         .subcommand(
             "error",
             ParentHandler::<InheritParams>::new().root_handler(
-                from_fn(|c: CliContext, _, InheritParams { donde }| {
+                from_fn(|c: CliContext, _: Empty, InheritParams { donde }| {
                     Err::<String, _>(RpcError {
                         code: 1,
                         message: "This is an example message".into(),