code: func (ns *NatsRPCClient) SendKick(userID string, serverType string, kick *protos.KickMsg) error {
  	topic := GetUserKickTopic(userID, serverType)
  	msg, err := proto.Marshal(kick)
  	if err != nil {
  		return err
  	}
  	return ns.Send(topic, msg)
  }
docs: // SendKick kicks an user