接收消息是收到的数据总是JSON格式 ,
rToUserName*:gh f0c24b4b1ace,
FromUserName:oFg8f0aolj8zYulH2
LfTP8ybtDlE'.CreateTime:1627805401,
MsgType:event.Event:user enter
tempsession'.SessionFrom:wxapp
r“ToUserNamegh f0c24b4b1ace”,
FromUserName:oFa8f0aolj8zYulH2
LfTP8vbtDIECreateTime:1627805409
MsgType:textContent:,,“Msqld”
:23304573245250560