curl --request GET \
  --url https://{FUSION HOST}/api/realm-configs/{id}

{
  "id": "<string>",
  "name": "<string>",
  "enabled": true,
  "createdAt": "2023-11-07T05:31:56Z",
  "updatedAt": "2023-11-07T05:31:56Z",
  "realmType": "<string>"
}