UpdateUserFieldResponse

{
    "_id": "6857de260f3c24d98fd7ca85",
    "field": "department",
    "name": "Department",
    "type": "date",
    "creator": {
        "_id": "61100af5c548eb5c7ebc7819",
        "avatar": "https://returning-ai.com/avatar.png",
        "displayName": "Admin",
        "username": "admin"
    },
    "createdAt": "2025-06-22T11:28:50.301Z",
    "updatedAt": "2025-06-22T11:30:15.456Z"
}