{
  "data": {
    "items": [
      {
        "value": "stripe_invoice_finalized",
        "summary": "Stripe invoice finalized notification"
      },
      {
        "value": "mailing_test",
        "summary": "Mailing backend test message"
      },
      {
        "value": "generic_notification",
        "summary": "Generic transactional notification"
      }
    ]
  }
}