Get roles

{
    "total": 1,
    "items": [
        {
            "id": "57cbf623-465c-4ba9-88a5-569869f6f8f0",
            "tenant_id": null,
            "org_id": null,
            "name": "Readonly",
            "description": "View most resources. See the list of included permissions.",
            "role_group_id": "",
            "is_deleted": false,
            "is_predefined": true,
            "is_active": true,
            "created_at": "2022-01-06T00:00:00",
            "created_by": null,
            "updated_at": "2022-07-29T04:20:10",
            "updated_by": null,
            "groupName": "Basic"
        }
    ]
}