[
    {
        "id": 1,
        "from": "client",
        "text": "ecu  delco E83 dtc off code p0171-00",
        "file_url": "",
        "timestamp": "2026-05-20T16:29:47+02:00"
    },
    {
        "id": 2,
        "from": "admin",
        "text": "dtc_off",
        "file_url": "https:\/\/1clicktune.com\/download.php?t=T20260520_162947_E4EE6B&f=SOL_20260520_163219_ORG_opel_dlco_e83org.bin_-_DTC_P0171.bin",
        "timestamp": "2026-05-20T16:32:19+02:00"
    }
]