[
    {
        "id": 1,
        "from": "client",
        "text": "i need stage1",
        "file_url": "",
        "timestamp": "2026-05-13T16:56:30+02:00"
    },
    {
        "id": 2,
        "from": "admin",
        "text": "stage1",
        "file_url": "https:\/\/1clicktune.com\/download.php?t=T20260513_165630_0B4E7C&f=SOL_20260513_170307_stage_ORG_delco_e78_OPEL__1_.bin",
        "timestamp": "2026-05-13T17:03:07+02:00"
    }
]