JSON message about response status
{ "requestURL":"", /*optional, string, request URL*/ "statusCode": , /*optional, int, status code*/ "statusString":"", /*optional, string, status description*/ "subStatusCode":"", /*optional, string, sub status code*/ "errorCode": , /*required, int, error code, which corresponds to subStatusCode, this field is required when statusCode is not 1. The returned value is the transformed decimal number*/ "errorMsg":"", /*required, string, error details, this field is required when statusCode is not 1*/ "MErrCode": "0xFFFFFFFF", /*optional, string, error code categorized by functional modules*/ "MErrDevSelfEx": "0xFFFFFFFF" /*optional, string, extension of MErrCode. It is used to define the custom error code, which is categorized by functional modules*/ }