[
    {
        "id": 1,
        "from": "client",
        "text": "Hello.  Im looking only for dtc off: P13C21EThank you!",
        "file_url": "",
        "timestamp": "2026-05-13T13:16:07+02:00"
    },
    {
        "id": 2,
        "from": "admin",
        "text": "dtc not found please make sure about this dtc",
        "file_url": "",
        "timestamp": "2026-05-13T13:52:07+02:00"
    }
]