Get webhook subscriptions

Example response

{
  "value": [
    {
      "accountId": "da4e7fd1-5394-4ca9-b1c6-e18c4e2bf262",
      "name": "Listen to matter and contact changes",
      "eventTypes": [
        "matter.updated",
        "contact.created"
      ],
      "eventNotificationUrl": "http://yourdomain.com/notify",
      "createdDateUtc": "2022-04-23T14:00:00Z",
      "updatedDateUtc": "2022-04-23T14:00:00Z",
      "lastUpdated": 637847425252027400
    }
  ]
}