{ "aggregate": { "availability_zone": "nova2", "created_at": "2013-08-18T12:17:56.259751", "deleted": 0, "deleted_at": null, "hosts": [], "id": 1, "metadata": { "availability_zone": "nova2" }, "name": "newname", "updated_at": "2013-08-18T12:17:56.286720" } }