Array
(
    [code] => 400
    [response] => Array
        (
            [type] => https://tools.ietf.org/html/rfc7231#section-6.5.1
            [title] => One or more validation errors occurred.
            [status] => 400
            [traceId] => 00-04e142886a291f47a483fc0eb2259f76-9c77696a000c94ba-00
            [errors] => Array
                (
                    [$.merchantTransactionId] => Array
                        (
                            [0] => The JSON value could not be converted to System.String. Path: $.merchantTransactionId | LineNumber: 0 | BytePositionInLine: 280.
                        )

                )

        )

)