{
    "nova_object.data": {
        "boot_index": null,
        "delete_on_termination": false,
        "device_name": "/dev/sdb",
        "tag": null,
        "volume_id": "a07f71dc-8151-4e7d-a0cc-cd24a3f11113"
    },
    "nova_object.name": "BlockDevicePayload",
    "nova_object.namespace": "nova",
    "nova_object.version": "1.0"
}