POST /ZX_WxSrv/Weixin?u=c8676c0f4a434d23ad012f5ce284500f&signature=589254199c7a1e668d841388e6f4f348fb1003cf&timestamp=1503027252&nonce=1514265143&openid=owsnSjgyYd-2X0Uvom3p0oVUqtwk 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[owsnSjgyYd-2X0Uvom3p0oVUqtwk]]></FromUserName>
<CreateTime>1503027252</CreateTime>
<MsgType><![CDATA[event]]></MsgType>
<Event><![CDATA[unsubscribe]]></Event>
<EventKey><![CDATA[]]></EventKey>
</xml>