{
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  "site_id": "sample_site",
  "cctv_id": "CAM1",
  "input_kind": "saved_config_import",
  "imported_config_path": "/data/topview_calibrator/config/sample_site/versions/CAM1.20260422T074326224201Z.json",
  "source_video_path": "/app/testdata/260421_homography_sample_dataset/dataset/videos/cropped_10sec/CAM1.mp4",
  "camera_frame_path": "/data/topview_calibrator/work/uploads/dae84536881743e2814c09cc6ea2a571/camera_frame.jpg",
  "basemap_path": "/app/testdata/260421_homography_sample_dataset/dataset/BEV_map/BEV.png",
  "frame_index": 0,
  "source_image_size": [
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    720
  ],
  "basemap_image_size": [
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  ],
  "homography_matrix": [
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    ],
    [
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    ]
  ]
}