Get a list of Organizations where the authenticated user is admin

Example response

{
  "organizations": [
    {
      "frontendDomain": "university.badges.example.com",
      "id": "67ae3efe2ee1d96b56fc1957",
      "name": "University of Credentials",
      "profile": {
        "description": "A university that issues credentials.",
        "email": "mail@example.com",
        "imageUrl": "https://www.example.com/logo.png",
        "url": "https://www.example.com"
      }
    }
  ]
}