const result = await cloud.openapi.subscribeMessage.send({   
  "touser": "写死的openid",
      "page": 'pages/index/index',
      "lang": 'zh_CN',
      "data": {
        "thing2":{"value":"今天是个好日子"},
        "name1":{"value":"小明"},
        "data3":{"value":"2018-01-01"}
      },
      "templateId": '写死的模版id',
      "miniprogramState": 'developer'
    })
 return result

{errMsg: "cloud.callFunction:ok"
requestID: "ffaa22cd-d3ef-11eb-bb41-525400be5245"
result:{}
}