[
    {
        "id": 1,
        "from": "client",
        "text": "STAG 1 W203 NON DISPO",
        "file_url": "",
        "timestamp": "2026-04-29T14:12:35+02:00"
    },
    {
        "id": 2,
        "from": "admin",
        "text": "ecu ?",
        "file_url": "",
        "timestamp": "2026-04-29T15:00:48+02:00"
    }
]