群发接口返回：{"errcode":0,"errmsg":"send job submission success","msg_data_id":2247483872,"msg_id":3147483736}

服务器消息事件：{"Status":"send success","ArticleUrlResult":"11http://mp.weixin.qq.com/s/zLrs2rGpJf5BRqP8gT0TXw","FilterCount":"0","CreateTime":"1615791347","ToUserName":"gh_b5be5c3ff2aa","MsgType":"event","ErrorCount":"0","CopyrightCheckResult":"01","MsgID":"3147483736","TotalCount":"1","Event":"MASSSENDJOBFINISH","FromUserName":"obBVGuJP9wsIukSdt1pMgvsFgZL4","SentCount":"0"}