[
    {
        "id": 1,
        "from": "client",
        "text": "i want download original file 237108353R. message error to download",
        "file_url": "",
        "timestamp": "2026-06-03T14:24:02+02:00"
    },
    {
        "id": 2,
        "from": "admin",
        "text": "send ecu number please",
        "file_url": "",
        "timestamp": "2026-06-03T15:03:27+02:00"
    }
]