{
  "cctv_No": "01",
  "site_No": "site_seocho",
  "tracking_No": "00000080",
  "tracking_timestamp": "20260513-111437",
  "sequence": 80,
  "interval_sec": 1,
  "coord_sys": "EPSG:5186",
  "objects": [
    {
      "track_id": 6,
      "class_name": "굴착기",
      "x": 200252.55,
      "y": 543288.76
    },
    {
      "track_id": 79,
      "class_name": "굴착기",
      "x": 200252.29,
      "y": 543288.63
    },
    {
      "track_id": 1000130,
      "class_name": "굴착기",
      "x": 200267.9,
      "y": 543272.83
    },
    {
      "track_id": 1000275,
      "class_name": "굴착기",
      "x": 200230.85,
      "y": 543317.56
    },
    {
      "track_id": 13,
      "class_name": "덤프트럭",
      "x": 200216.41,
      "y": 543277.98
    },
    {
      "track_id": 1000228,
      "class_name": "덤프트럭",
      "x": 200229.23,
      "y": 543261.18
    },
    {
      "track_id": -10000656,
      "class_name": "작업자",
      "x": 200244.59,
      "y": 543330.31
    },
    {
      "track_id": -10000655,
      "class_name": "작업자",
      "x": 200240.9,
      "y": 543326.67
    },
    {
      "track_id": -10000654,
      "class_name": "작업자",
      "x": 200216.71,
      "y": 543258.55
    },
    {
      "track_id": -10000653,
      "class_name": "작업자",
      "x": 200242.93,
      "y": 543240.48
    },
    {
      "track_id": -10000652,
      "class_name": "작업자",
      "x": 200204.99,
      "y": 543235.2
    },
    {
      "track_id": 1000222,
      "class_name": "작업자",
      "x": 200264.18,
      "y": 543321.94
    },
    {
      "track_id": 1000263,
      "class_name": "작업자",
      "x": 200228.52,
      "y": 543249.79
    },
    {
      "track_id": 1000267,
      "class_name": "작업자",
      "x": 200215.87,
      "y": 543256.19
    },
    {
      "track_id": 1000268,
      "class_name": "작업자",
      "x": 200212.42,
      "y": 543253.22
    },
    {
      "track_id": 1000269,
      "class_name": "작업자",
      "x": 200218.62,
      "y": 543265.77
    },
    {
      "track_id": 1000271,
      "class_name": "작업자",
      "x": 200212.97,
      "y": 543281.57
    },
    {
      "track_id": 1000273,
      "class_name": "작업자",
      "x": 200217.05,
      "y": 543258.35
    },
    {
      "track_id": 1000274,
      "class_name": "작업자",
      "x": 200216.09,
      "y": 543258.94
    },
    {
      "track_id": 1000278,
      "class_name": "작업자",
      "x": 200204.65,
      "y": 543234.68
    },
    {
      "track_id": 1000279,
      "class_name": "작업자",
      "x": 200242.74,
      "y": 543240.14
    }
  ]
}