接口：

https://api.weixin.qq.com/cgi-bin/tags/members/batchuntagging?access_token=...

返回结果：

{"errcode":0,"errmsg":"ok","statusCode":"200 OK"}

appid:wx51e8d3c13542cbc5

openid:oMv3j5wnzmksvO0b7lBxAU0kddcQ