{
  "data": {
    "notificationSubscriptions": [
      {
        "name": "accounts/123456789/notificationsubscriptions/456",
        "registeredEvent": "PRODUCT_STATUS_CHANGE",
        "callBackUri": "https://www.example.com/webhooks/merchant",
        "allManagedAccounts": true
      }
    ],
    "nextPageToken": "CgwI4MSB3QYQ"
  }
}