code: public Object call(String uuid, GameMode mode, String procCall, JsonObject object) {
          return client.sendRpcAndWait(SERVICE, "call", uuid, mode.name(), procCall, object.toString());
      }
docs: Call a group finder action
  @param uuid The uuid of the team
  @param mode The game mode of lobby
  @param procCall The name of the action
  @param object Call args
  @return unknown