export interface RPCSubscribeMessage<Evt extends RPCEvents, Cmd extends RPCCommands.Subscribe | RPCCommands.Unsubscribe = RPCCommands.Subscribe | RPCCommands.Unsubscribe> extends RPCCommandMessage<Cmd>Type Parameters
Evt extends RPCEvents
optionalCmd? extends RPCCommands.Subscribe | RPCCommands.Unsubscribe = RPCCommands.Subscribe | RPCCommands.Unsubscribe
externalcmd : Cmd 
Inherited from: BaseRPCMessage
externalevt : Evt 
externalnonce : string 
Inherited from: RPCCommandMessage