发送订阅消息接口：https://developers.weixin.qq.com/doc/offiaccount/Message_Management/One-time_subscription_info.html

{

"touser":"OPENID",

"template_id":"TEMPLATE_ID",

"url":"URL",

"miniprogram":{

"appid":"xiaochengxuappid12345",

"pagepath":"index?foo=bar"

},

"scene":"SCENE",

"title":"TITLE",

"data":{

"content":{

"value":"VALUE",

"color":"COLOR"

}

}

}