请求方式:POST 数据格式:application/String 响应方式:返回 SUCCESS 字符串接收成功;否则会延迟多次补发通知 payload 数据为加密后的数据,请用自己的公钥解密。 数据报文采用 base64 编码,然后私钥加密(加密逻辑同请求)。Request method: POST Data format: application/JSON Response method: Returns a SUCCESS string indicating successful receipt; otherwise, multiple resends will be delayed. The payload data is encrypted; please decrypt it using your public key. The data message is base64-encoded and then encrypted using your private key (the encryption logic is the same as for the request).