嗨为什么我得到这个错误
`**{
"app_key": "<app_key>",
"app_secret": "<app_secret>",
"msisdn": "<mobile_number>",
"content": "<HELLO TESTING>",
"shortcode_mask": "PeliEyeCare",
"rcvd_transid": "12334512312312",
"is_intl": false
}**`
收到这个错误
“代码”:400, “名称”:“错误请求”,