Structure Validation​Error

Example when returned as Response

{
    "errors": {
        "email": [
            "has already been taken"
        ],
        "password": [
            "is too short (minimum is 8 characters)"
        ],
        "username": [
            "can't be blank",
            "is too short (minimum is 1 character)",
            "is too long (maximum is 20 characters)"
        ]
    }
}