{
    "code": 400,
    "message": "Validation Failed",
    "errors": {
        "children": {
            "firstName": {
                "errors": [
                    "Please enter your first name."
                ]
            },
            "lastName": {
                "errors": [
                    "Please enter your last name."
                ]
            },
            "email": {
                "errors": [
                    "Please enter your email."
                ]
            },
            "birthday": {},
            "gender": {
                "errors": [
                    "Please choose your gender."
                ]
            },
            "phoneNumber": {},
            "groups": {}
        }
    }
}