{
    "success": true,
    "message": "DE195 ECM 1 ROI images created \u2014 single pipe only",
    "project": "DE195",
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    "preview_url": "https://cctv.envautomation.com/cctv/test_path22/de195/ecm1/roi_preview.jpg?t=1782803688",
    "masked_url": "https://cctv.envautomation.com/cctv/test_path22/de195/ecm1/roi_masked.jpg?t=1782803688",
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    "prepared_at": "2026-06-30 15:14:48"
}