[
    {
        "id": 1,
        "from": "client",
        "text": "i need dpf off please",
        "file_url": "",
        "timestamp": "2026-05-21T16:10:01+02:00"
    },
    {
        "id": 2,
        "from": "admin",
        "text": "dpf_off",
        "file_url": "https:\/\/1clicktune.com\/download.php?t=T20260521_161001_DE8DD5&f=SOL_20260521_161551_dpf_ORG_BOOT_Opel_Corsa_D_2006_Magneti_Marelli_MJD603.bin",
        "timestamp": "2026-05-21T16:15:51+02:00"
    }
]