[
    {
        "id": 1,
        "from": "admin",
        "text": "stage 1",
        "file_url": "https:\/\/1clicktune.com\/download.php?t=T20260601_100737_57880F&f=SOL_20260601_103532_Stage_1__ORG_audi_bosch_med17.1.62_obd_virtualmaps_wuazzzf34n1903484_20260526114258.bin",
        "timestamp": "2026-06-01T10:35:32+02:00"
    }
]