po.DeviceUploadFiles

{
    "files": [
        {
            "device_sn": "string",
            "fingerprint": "string",
            "key": "string",
            "module": "string",
            "progress": {
                "current_step": 0,
                "finish_time": 0,
                "progress": 0,
                "result": 0,
                "status": "string",
                "total_step": 0,
                "upload_rate": 0
            },
            "size": 0
        }
    ]
}