{
  "entities": {
    "UserProfile": {
      "sample_data": {
        "user_id": "user-123",
        "username": "testuser"
      },
      "access_pattern_data": {
        "user_id": "sample_user_id"
      },
      "update_data": {
        "username": "updated_user"
      }
    }
  }
  // This comment makes it invalid JSON
}
