{
    "success": true,
    "data": []
}

{
    "message": "A validation error occurred",
    "url": "/admin/users/edit/4.json",
    "code": 422,
    "file": "/app/vendor/friendsofcake/crud/src/Listener/ApiListener.php",
    "line": 189
}

{
    "success": false,
    "data": [
       "errors": [...]
    ]

}