"{
  "error": {
    "code": "ErrorAccessDenied",
    "message": "Access is denied. Check credentials and try again.",
    "innerError": {
      "request-id": "GUID",
      "date": "2016-10-26T07:14:50"
    }
  }
}"

"scp": "Calendars.Read Contacts.Read Directory.Read.All email profile Tasks.Read User.Read",