[
    {
        "nickname": "test",
        "timestamp": "2026-04-15T21:11:54.266012",
        "qr_code_number": 3
    },
    {
        "nickname": "bbb",
        "timestamp": "2026-04-15T21:15:02.767581",
        "qr_code_number": 3
    },
    {
        "nickname": "prova",
        "timestamp": "2026-04-16T07:43:07.914936",
        "qr_code_number": 2
    },
    {
        "nickname": "test",
        "timestamp": "2026-04-16T07:45:51.203245",
        "qr_code_number": 2
    }
]