[
    {
        "id": 1,
        "from": "client",
        "text": "i have this clarc and i need dpf-egr and if possible corrected checksum",
        "file_url": "",
        "timestamp": "2026-05-06T14:33:48+02:00"
    },
    {
        "id": 2,
        "from": "admin",
        "text": "ecu not supporte sorry",
        "file_url": "",
        "timestamp": "2026-05-06T15:00:18+02:00"
    }
]