keystone/api-ref/source/v3/samples/admin/domain-show-response.json

{
    "domain": {
        "description": "Owns users and tenants (i.e. projects) available on Identity API v2.",
        "enabled": true,
        "id": "default",
        "links": {
            "self": "http://example.com/identity/v3/domains/default"
        },
        "name": "Default",
        "options": {}
    }
}