C2S 
{"type":"sigin","utype":"device", "account":"clientA", "password":""}
{"type":"sigin","code":"OK","uid":123}
C2S 
{"type":"sigin","utype":"user","uid":123}
{"type":"sigin","code":"OK","uid":123}

C2S 
{"type":"subscribe","message":"mes","uid":123}
{"type":"subscribe","code":"OK","uid":123}

C2S 
{"type":"unsubscribe","message":"mes","uid":123}
{"type":"unsubscribe","code":"OK","uid":123}

S2C
{"type":"publish","message":"DAFSDFSADfsaSFASdf","code":"OK"}

S2C
{"type":"sigin","code":"OK","uid":"123"}

C2S 
{"type":"heartbeat","utype":"device","uid":123}
C2S 
{"type":"close","utype":"device","uid":123}




C2S
{"type":"transmitMes","message":"DAFSDFSADfsaSFASdf", "receiveUid":5}