DeviceLogFileInfo

{
    "key": "device_log_20241027_120000.log",
    "size": 1048576,
    "last_modified": "2024-10-27T12:00:00Z",
    "download_url": "https://oss.tange.ai/logs/ABC123456789/device_log_20241027_120000.log?signature=xxx"
}