[
    {
        "id": 1,
        "from": "client",
        "text": "dtc off : P055514",
        "file_url": "",
        "timestamp": "2026-05-20T12:23:18+02:00"
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        "from": "client",
        "text": "calculateur IAW5SF",
        "file_url": "",
        "timestamp": "2026-05-20T12:24:03+02:00"
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        "from": "admin",
        "text": "dtc_off_",
        "file_url": "https:\/\/1clicktune.com\/download.php?t=T20260520_122318_467761&f=SOL_20260520_124446_dtc_off_ORG_OBD_FIAT_500_2007_iaw5sf8.bin",
        "timestamp": "2026-05-20T12:44:46+02:00"
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]