{
  "kind": "notice",
  "title": "Your parcel was delivered",
  "text": "Left at the front door at 11:42. The courier took a photo.",
  "controls": [
    {
      "type": "link",
      "id": "photo",
      "label": "See the photo",
      "url": "https://example.com/track/DPD-0459-2291/photo"
    }
  ]
}