{
  "cctv_No": "01",
  "site_No": "site_seocho",
  "tracking_No": "00000078",
  "tracking_timestamp": "20260513-111435",
  "sequence": 78,
  "interval_sec": 1,
  "coord_sys": "EPSG:5186",
  "objects": [
    {
      "track_id": 6,
      "class_name": "굴착기",
      "x": 200261.22,
      "y": 543283.15
    },
    {
      "track_id": 79,
      "class_name": "굴착기",
      "x": 200247.49,
      "y": 543289.59
    },
    {
      "track_id": 1000130,
      "class_name": "굴착기",
      "x": 200266.7,
      "y": 543272.48
    },
    {
      "track_id": 1000246,
      "class_name": "굴착기",
      "x": 200261.75,
      "y": 543287.54
    },
    {
      "track_id": 13,
      "class_name": "덤프트럭",
      "x": 200216.46,
      "y": 543278.02
    },
    {
      "track_id": 1000228,
      "class_name": "덤프트럭",
      "x": 200229.85,
      "y": 543261.26
    },
    {
      "track_id": 1000241,
      "class_name": "덤프트럭",
      "x": 200398.13,
      "y": 543447.48
    },
    {
      "track_id": -10000647,
      "class_name": "작업자",
      "x": 200216.97,
      "y": 543259.11
    },
    {
      "track_id": -10000646,
      "class_name": "작업자",
      "x": 200216.42,
      "y": 543259.69
    },
    {
      "track_id": -10000645,
      "class_name": "작업자",
      "x": 200204.7,
      "y": 543236.85
    },
    {
      "track_id": -10000644,
      "class_name": "작업자",
      "x": 200213.22,
      "y": 543281.51
    },
    {
      "track_id": -10000643,
      "class_name": "작업자",
      "x": 200242.41,
      "y": 543242.98
    },
    {
      "track_id": 1000222,
      "class_name": "작업자",
      "x": 200264.45,
      "y": 543322.15
    },
    {
      "track_id": 1000263,
      "class_name": "작업자",
      "x": 200225.83,
      "y": 543250.78
    },
    {
      "track_id": 1000265,
      "class_name": "작업자",
      "x": 200204.79,
      "y": 543237.53
    },
    {
      "track_id": 1000266,
      "class_name": "작업자",
      "x": 200217.3,
      "y": 543259.55
    },
    {
      "track_id": 1000267,
      "class_name": "작업자",
      "x": 200216.28,
      "y": 543256.91
    },
    {
      "track_id": 1000268,
      "class_name": "작업자",
      "x": 200214.26,
      "y": 543254.55
    },
    {
      "track_id": 1000269,
      "class_name": "작업자",
      "x": 200220.23,
      "y": 543268.6
    },
    {
      "track_id": 1000270,
      "class_name": "작업자",
      "x": 200242.16,
      "y": 543242.55
    },
    {
      "track_id": 1000271,
      "class_name": "작업자",
      "x": 200213.07,
      "y": 543281.58
    }
  ]
}