[
    {
        "id": 1,
        "from": "client",
        "text": "have nvram. i think flash is possibly corrupt. do you have ori file",
        "file_url": "",
        "timestamp": "2026-05-26T12:53:51+02:00"
    },
    {
        "id": 2,
        "from": "admin",
        "text": "we don t have this sw version of ecu sorry",
        "file_url": "",
        "timestamp": "2026-05-26T13:44:56+02:00"
    }
]