[
    {
        "id": 1,
        "from": "client",
        "text": "SONDE OFF",
        "file_url": "",
        "timestamp": "2026-05-03T10:05:35+02:00"
    },
    {
        "id": 2,
        "from": "admin",
        "text": "non disponible dans cet ecu desolé",
        "file_url": "",
        "timestamp": "2026-05-03T10:40:00+02:00"
    }
]