{  "media_url": null,  "ResultCode": {    "Success": false,    "StateCode": "401",    "ErrorCode": "SIGN_ERROR",    "ErrorMessage": "签名错误",    "Solution": "请检查签名参数和方法是否都符合签名算法要求",    "Additional": "{\"code\":\"SIGN_ERROR\",\"detail\":{\"detail\":{\"issue\":\"sign not match\"},\"field\":\"signature\",\"location\":\"authorization\",\"sign_information\":{\"method\":\"POST\",\"sign_message_length\":69,\"truncated_sign_message\":\"POST\\n/v3/marketing/favor/media/image-upload\\n1676886831\\nt2itcnxq.xym\\n\\n\",\"url\":\"/v3/marketing/favor/media/image-upload\"}},\"message\":\"错误的签名，验签失败\"}"  },  "VerifySignSuccess": null}