2023年1月10号凌晨一点左右，扫码带参二维码关注公众号，公众号关注回调事件二维码参数为空，获取用户基本信息qr_scene_str有值。

关注事件原始数据:

{"allFieldsMap":{"Ticket":"","CreateTime":"1673283817","EventKey":"","Event":"subscribe","ToUserName":"gh_***38","FromUserName":"ooIys*****u225s","MsgType":"event"},"toUser":"gh_3***38","fromUser":"ooIys*****u225s","createTime":1673283817,"msgType":"event","event":"subscribe","eventKey":"","ticket":"","scanCodeInfo":{},"sendPicsInfo":{"picList":[]},"sendLocationInfo":{},"hardWare":{}}

用户信息:

{"subscribe":true,"openId":"ooIys*****u225s","nickname":"","sexDesc":"未知","sex":0,"language":"zh_CN","city":"","province":"","country":"","headImgUrl":"","subscribeTime":1673283817,"unionId":"oQp*******UX8","remark":"","groupId":0,"tagIds":[],"subscribeScene":"ADD_SCENE_QR_CODE","qrScene":"0","qrSceneStr":"ooIy****e_-10Ao&633245038964983822&refundQrCode"}