{
  "keyword": "파이썬 튜토리얼",
  "keyword_count": 42,
  "search_volume": 18100,
  "difficulty_score": 0.65,
  "source": "google_keyword_planner",
  "task_id": "task-4.4",
  "created_at": "2026-03-04T10:00:00",
  "updated_at": "2026-03-04T12:30:00"
}