curl --request GET \
  --url https://api.hq.zone/v1/api/schedules/owners \
  --header 'Authorization: Bearer <token>'

{
  "owners": [
    {
      "schedule_count": 123,
      "user_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "display_name": "<string>",
      "external_id": "<string>"
    }
  ]
}