code: async def rpc_message(self, request, message):
          '''Publish a message via JSON-RPC'''
          await self.pubsub.publish(self.channel, message)
          return 'OKync def rpc_message(self, request, message):
          '''Publish a message via JSON-RPC'''
          await self.pubsub.publish(self.channel, message)
          return 'OK'
docs: Publish a message via JSON-RPC