https://developers.weixin.qq.com/doc/offiaccount/Message_Management/Batch_Sends_and_Originality_Checks.html

{

"filter":{

"is_to_all":true,

"tag_id":2

},

"text":{

"content":"hello_word"

},

"title":"我是tittle",

"description":"测试",

"msgtype":"text"

}