[
    {
        "id": 1,
        "from": "client",
        "text": "STAG 1 INTER FLASH EDC16C2 MERCEDS W203",
        "file_url": "",
        "timestamp": "2026-04-30T15:25:01+02:00"
    },
    {
        "id": 2,
        "from": "admin",
        "text": "already sent",
        "file_url": "",
        "timestamp": "2026-04-30T15:26:53+02:00"
    }
]