{
  "cctv_No": "01",
  "site_No": "site_seocho",
  "tracking_No": "00000040",
  "tracking_timestamp": "20260513-111357",
  "sequence": 40,
  "interval_sec": 1,
  "coord_sys": "EPSG:5186",
  "objects": [
    {
      "track_id": 6,
      "class_name": "굴착기",
      "x": 200267.34,
      "y": 543272.69
    },
    {
      "track_id": 12,
      "class_name": "굴착기",
      "x": 200248.35,
      "y": 543288.52
    },
    {
      "track_id": 1000076,
      "class_name": "굴착기",
      "x": 200277.74,
      "y": 543289.89
    },
    {
      "track_id": 13,
      "class_name": "덤프트럭",
      "x": 200228.68,
      "y": 543261.05
    },
    {
      "track_id": 1000086,
      "class_name": "덤프트럭",
      "x": 200216.33,
      "y": 543277.69
    },
    {
      "track_id": -10000296,
      "class_name": "작업자",
      "x": 200205.96,
      "y": 543242.06
    },
    {
      "track_id": -10000295,
      "class_name": "작업자",
      "x": 200348.82,
      "y": 543248.13
    },
    {
      "track_id": -10000294,
      "class_name": "작업자",
      "x": 200206.19,
      "y": 543242.6
    },
    {
      "track_id": -10000293,
      "class_name": "작업자",
      "x": 200214.77,
      "y": 543280.51
    },
    {
      "track_id": -10000291,
      "class_name": "작업자",
      "x": 200264.26,
      "y": 543330.45
    },
    {
      "track_id": -10000290,
      "class_name": "작업자",
      "x": 200246.2,
      "y": 543299.64
    },
    {
      "track_id": 41,
      "class_name": "작업자",
      "x": 200206.75,
      "y": 543245.13
    },
    {
      "track_id": 43,
      "class_name": "작업자",
      "x": 200207.1,
      "y": 543245.72
    },
    {
      "track_id": 48,
      "class_name": "작업자",
      "x": 200219.04,
      "y": 543276.62
    },
    {
      "track_id": 49,
      "class_name": "작업자",
      "x": 200223.29,
      "y": 543272.31
    },
    {
      "track_id": 50,
      "class_name": "작업자",
      "x": 200208.21,
      "y": 543249.76
    },
    {
      "track_id": 1000096,
      "class_name": "작업자",
      "x": 200214.57,
      "y": 543280.65
    },
    {
      "track_id": 1000106,
      "class_name": "작업자",
      "x": 200311.82,
      "y": 543249.58
    },
    {
      "track_id": 1000109,
      "class_name": "작업자",
      "x": 200208.57,
      "y": 543250.06
    },
    {
      "track_id": 1000116,
      "class_name": "작업자",
      "x": 200208.45,
      "y": 543248.99
    },
    {
      "track_id": 1000118,
      "class_name": "작업자",
      "x": 200246.21,
      "y": 543299.58
    },
    {
      "track_id": 1000119,
      "class_name": "작업자",
      "x": 200214.53,
      "y": 543280.39
    }
  ]
}