{
  "schema_version": 1,
  "cctv_id": "33",
  "active_roi_file": "20260720_015638_3.json",
  "active_roi_id": "20260720_015638_3",
  "active_roi_name": "기준점3개_테스트",
  "activated_at": "2026-07-20T01:56:47.805500+00:00",
  "updated_by": "marine_roi_studio"
}