[
    {
        "id": 1,
        "from": "client",
        "text": "HI, Stage 1 and start Stop off or maybe last mode ?",
        "file_url": "",
        "timestamp": "2026-05-21T10:27:39+02:00"
    },
    {
        "id": 2,
        "from": "admin",
        "text": "stage 1 start and stop_off",
        "file_url": "https:\/\/1clicktune.com\/download.php?t=T20260521_102739_CFFCB5&f=SOL_20260521_111700_Stage_1_start_and_stop_ORG_10SW007803_iRom.bin",
        "timestamp": "2026-05-21T11:17:00+02:00"
    }
]