UserModel

{
    "id": "321",
    "type": "user",
    "attributes": {
        "email": "hello@challonge.com",
        "username": "APIUser",
        "image_url": "https://s3.amazonaws.com/challonge_app/users/images/003/004/005/original/Decoy_Duck_w__background.png"
    }
}