POST /ZX_WxSrv/Weixin?u=c8676c0f4a434d23ad012f5ce284500f&signature=e7dd8be7f1ec4e68946689c5f32d54f687fd5f70&timestamp=1503644012&nonce=776738863&openid=owsnSjqqcqQKRE_DP5QsuYtFsA-4 HTTP/1.1
Pragma: no-cache
Content-Length: 280
Content-Type: text/xml
Accept: */*
Host: test.bsm6.com
User-Agent: Mozilla/4.0

<xml><ToUserName><![CDATA[gh_d50be23dcd98]]></ToUserName>
<FromUserName><![CDATA[owsnSjqqcqQKRE_DP5QsuYtFsA-4]]></FromUserName>
<CreateTime>1503644012</CreateTime>
<MsgType><![CDATA[event]]></MsgType>
<Event><![CDATA[unsubscribe]]></Event>
<EventKey><![CDATA[]]></EventKey>
</xml>