keystone/docs/guide/src/docbkx/samples/auth.json

{
  "auth" :  {
      "token": {
          "id": "ab48a9efdfedb23ty3494",
          "expires": "2010-11-01T03:32:15-05:00"
      },
      "user" : {
          "groups": {
              "group": [
                  {
                      "tenantId" : "1234",
                      "name": "Admin"
                  }
              ]},
          "username": "jqsmith",
          "tenantId": "1234",
      }
  }
}