{
  "template_id": "YOUR_PUBLISHED_TEMPLATE_ID",
  "expiry_minutes": 60,
  "data": {
    "product": {
      "name": "Aster Desk",
      "model": "DSK-120",
      "revision": "2026-10",
      "description": "A compact writing desk with a solid oak top.",
      "specifications": [
        {
          "label": "Width",
          "value": "120 cm"
        },
        {
          "label": "Depth",
          "value": "60 cm"
        },
        {
          "label": "Height",
          "value": "75 cm"
        },
        {
          "label": "Material",
          "value": "Oak and steel"
        }
      ],
      "features": [
        "Adjustable feet",
        "Cable-management opening"
      ],
      "contact": {
        "company": "Northstar Furniture",
        "email": "catalog@example.com"
      }
    }
  }
}