keystone/api-ref/source/v3-ext/samples/OS-OAUTH1/access-token-role-show-response.json

{
    "role": {
        "id": "5ad150",
        "domain_id": "7cf37b",
        "links": {
            "self": "http://example.com/identity/v3/roles/5ad150"
        },
        "name": "admin"
    }
}