1{
2    "volume_type": {
3        "id": "6685584b-1eac-4da6-b5c3-555430cf68ff",
4        "name": "volume-type-test",
5        "description": "default volume type",
6        "is_public": true,
7        "extra_specs": {
8            "volume_backend_name": "rbd"
9        }
10    }
11}
12