{
    "$ref": "InstanceActionPayload.json",
    "nova_object.data": {
        "new_volume_id": "227cc671-f30b-4488-96fd-7d0bf13648d8",
        "old_volume_id": "a07f71dc-8151-4e7d-a0cc-cd24a3f11113"
    },
    "nova_object.name": "InstanceActionVolumeSwapPayload",
    "nova_object.namespace": "nova",
    "nova_object.version": "1.8"
}