public void SendTurnSing(string singContent, uint objectId)
    {
        TurnSignPacket packet = new TurnSignPacket();

        packet.payload = singContent;
        PacketManager.Instance.SendPacket(packet, objectId, false);
    }
    void OnReceivePacket(ushort type, Stream stream)
    {
        switch (type)
        {
        case (ushort)UserPacketType.TurnSign:
            TurnSignPacket turnSignPacket = new TurnSignPacket();
            turnSignPacket.Deserialize(stream);
            turnSign.text = turnSignPacket.payload;
            break;

        case (ushort)UserPacketType.Clock:
            ClockSignPacket clockSignPacket = new ClockSignPacket();
            clockSignPacket.Deserialize(stream);
            clockSign.text = clockSignPacket.payload;
            break;
        }
    }