curl --request GET \
  --url https://{tenant}.cubecloud.dev/api/v1/embed-tenants/{embedTenantName}/groups \
  --header 'Authorization: <api-key>'

{
  "items": [
    {
      "id": 123,
      "name": "<string>",
      "description": "<string>",
      "userCount": 123
    }
  ],
  "pageInfo": {
    "hasNextPage": true,
    "hasPreviousPage": true,
    "endCursor": "<string>",
    "startCursor": "<string>"
  }
}