[
    {
        "id": 1,
        "from": "client",
        "text": "EGR OFF",
        "file_url": "",
        "timestamp": "2026-05-12T10:34:50+02:00"
    },
    {
        "id": 2,
        "from": "admin",
        "text": "en cours ...",
        "file_url": "",
        "timestamp": "2026-05-12T10:37:31+02:00"
    },
    {
        "id": 3,
        "from": "admin",
        "text": "egr off",
        "file_url": "https:\/\/1clicktune.com\/download.php?t=T20260512_103450_E20191&f=SOL_20260512_104524_egr_ORG_origine.bin",
        "timestamp": "2026-05-12T10:45:24+02:00"
    },
    {
        "id": 4,
        "from": "admin",
        "text": "dans les prochaines fois veuillez mentionner le systeme d ecu svp",
        "file_url": "",
        "timestamp": "2026-05-12T10:45:47+02:00"
    }
]