@Override
 public void handle(JsonObject message) {
   if (message.containsField("error")) {
     replyForError(message);
   }
   message.removeField(MessageUtils.FROM);
   message.removeField(MessageUtils.TO);
   message.removeField(MessageUtils.COMTYPE);
   message.removeField(MessageUtils.MSGID);
   message.removeField(MessageUtils.MSGTYPE);
   request.response().end(message.toString());
   cleanup(requestId);
 }