{
  "cctv_No": "01",
  "site_No": "site_seocho",
  "tracking_No": "00000074",
  "tracking_timestamp": "20260513-111431",
  "sequence": 74,
  "interval_sec": 1,
  "coord_sys": "EPSG:5186",
  "objects": [
    {
      "track_id": 6,
      "class_name": "굴착기",
      "x": 200262.51,
      "y": 543288.7
    },
    {
      "track_id": 1000130,
      "class_name": "굴착기",
      "x": 200267.49,
      "y": 543272.69
    },
    {
      "track_id": 1000246,
      "class_name": "굴착기",
      "x": 200269.15,
      "y": 543288.41
    },
    {
      "track_id": 1000247,
      "class_name": "굴착기",
      "x": 200247.3,
      "y": 543289.28
    },
    {
      "track_id": 1000250,
      "class_name": "굴착기",
      "x": 200247.78,
      "y": 543287.83
    },
    {
      "track_id": 13,
      "class_name": "덤프트럭",
      "x": 200216.71,
      "y": 543277.87
    },
    {
      "track_id": 1000228,
      "class_name": "덤프트럭",
      "x": 200229.64,
      "y": 543261.12
    },
    {
      "track_id": 1000241,
      "class_name": "덤프트럭",
      "x": 200400.25,
      "y": 543449.18
    },
    {
      "track_id": -10000615,
      "class_name": "작업자",
      "x": 200213.31,
      "y": 543279.84
    },
    {
      "track_id": -10000614,
      "class_name": "작업자",
      "x": 200213.31,
      "y": 543279.41
    },
    {
      "track_id": -10000613,
      "class_name": "작업자",
      "x": 200242.91,
      "y": 543246.96
    },
    {
      "track_id": -10000612,
      "class_name": "작업자",
      "x": 200224.58,
      "y": 543274.05
    },
    {
      "track_id": -10000611,
      "class_name": "작업자",
      "x": 200218.06,
      "y": 543261.63
    },
    {
      "track_id": -10000610,
      "class_name": "작업자",
      "x": 200206.62,
      "y": 543241.04
    },
    {
      "track_id": -10000609,
      "class_name": "작업자",
      "x": 200242.78,
      "y": 543247.68
    },
    {
      "track_id": -10000608,
      "class_name": "작업자",
      "x": 200216.62,
      "y": 543257.13
    },
    {
      "track_id": -10000606,
      "class_name": "작업자",
      "x": 200225.31,
      "y": 543274.96
    },
    {
      "track_id": -10000604,
      "class_name": "작업자",
      "x": 200217.82,
      "y": 543262.05
    },
    {
      "track_id": -10000601,
      "class_name": "작업자",
      "x": 200213.19,
      "y": 543278.94
    },
    {
      "track_id": 57,
      "class_name": "작업자",
      "x": 200216.78,
      "y": 543259.24
    },
    {
      "track_id": 73,
      "class_name": "작업자",
      "x": 200215.08,
      "y": 543247.8
    },
    {
      "track_id": 74,
      "class_name": "작업자",
      "x": 200220.76,
      "y": 543254.14
    },
    {
      "track_id": 75,
      "class_name": "작업자",
      "x": 200223.37,
      "y": 543264.99
    },
    {
      "track_id": 76,
      "class_name": "작업자",
      "x": 200219.55,
      "y": 543257.76
    },
    {
      "track_id": 77,
      "class_name": "작업자",
      "x": 200220.95,
      "y": 543268.03
    },
    {
      "track_id": 1000222,
      "class_name": "작업자",
      "x": 200264.15,
      "y": 543321.94
    },
    {
      "track_id": 1000248,
      "class_name": "작업자",
      "x": 200217.53,
      "y": 543262.68
    },
    {
      "track_id": 1000251,
      "class_name": "작업자",
      "x": 200236.87,
      "y": 543282.76
    },
    {
      "track_id": 1000252,
      "class_name": "작업자",
      "x": 200217.54,
      "y": 543262.24
    },
    {
      "track_id": 1000253,
      "class_name": "작업자",
      "x": 200225.43,
      "y": 543274.84
    },
    {
      "track_id": 1000254,
      "class_name": "작업자",
      "x": 200213.04,
      "y": 543278.96
    },
    {
      "track_id": 1000255,
      "class_name": "작업자",
      "x": 200217.87,
      "y": 543261.92
    },
    {
      "track_id": 1000256,
      "class_name": "작업자",
      "x": 200207.14,
      "y": 543240.7
    }
  ]
}