Get the list of all admin users

Example response

{
  "users": [
    {
      "groups": {
        "id": "a5c4f22c08d9ed37ef1ca342",
        "name": "My group"
      },
      "email": "master-user@company.com",
      "is_owner": "false",
      "status": "active",
      "feature_access": {
        "user_management": [
          "all / none"
        ],
        "api_keys": [
          "all / none"
        ],
        "my_plan": [
          "all / none"
        ],
        "apps_management": [
          "all / none"
        ]
      }
    }
  ]
}