error_tracking_number_exist.json

{
    "meta": {
        "code": 409,
        "error_message": "slug: dhl tracking_number: 2185849691 is already exist.",
        "error_type": "InvalidArgument"
    },
    "data": {
        "tracking": {
            "slug": "dhl",
            "tracking_number": "2185849691"
        }
    }
}