[
    {
        "id": 1,
        "username": "admin",
        "password_hash": "$2y$10$gd.HwDoe\/dZCtVeTqtzwvOG21LujvB7rL5T73QaCfSvQN8BFCFLf2",
        "is_master": true,
        "created_at": "2026-08-18 20:49:43",
        "expire_date": "2036-08-18 20:49:43"
    }
]