[
    {
        "id": 1,
        "from": "client",
        "text": "hi, i need stage1",
        "file_url": "",
        "timestamp": "2026-05-06T09:50:50+02:00"
    },
    {
        "id": 2,
        "from": "admin",
        "text": "STAGE 1  SID206",
        "file_url": "https:\/\/1clicktune.com\/download.php?t=T20260506_095050_76036E&f=SOL_20260506_133727_STAGE1_N_ORG_fomoco_siemens_sid206_obd_maps_wf0gxxgcdg8g45896_20250917105853__2_.bin",
        "timestamp": "2026-05-06T13:37:27+02:00"
    }
]