fix(rpc): allow default deserialization value for subscription data tag (#7)

Author: farazdagi

relay_client/src/client/stream.rs

@@ -32,7 +32,7 @@ use {
 
 pub type SocketStream = WebSocketStream<MaybeTlsStream<TcpStream>>;
 
-/// Opens a cnnection to the Relay and returns [`ClientStream`] for the
+/// Opens a connection to the Relay and returns [`ClientStream`] for the
 /// connection.
 pub async fn create_stream(opts: ConnectionOptions) -> Result<ClientStream, Error> {
     let (socket, _) = connect_async(opts.into_request()?)

relay_rpc/src/rpc.rs

@@ -534,6 +534,7 @@ pub struct SubscriptionData {
 
     /// A label that identifies what type of message is sent based on the RPC
     /// method used.
+    #[serde(default, skip_serializing_if = "is_default")]
     pub tag: u32,
 }