export interface RPCSubscribeMessage<Evt extends RPCEvents, Cmd extends RPCCommands.Subscribe | RPCCommands.Unsubscribe = RPCCommands.Subscribe | RPCCommands.Unsubscribe> extends RPCCommandMessage<Cmd>
export interface RPCSubscribeMessage<Evt extends RPCEvents, Cmd extends RPCCommands.Subscribe | RPCCommands.Unsubscribe = RPCCommands.Subscribe | RPCCommands.Unsubscribe> extends RPCCommandMessage<Cmd>