{
  "id": "b3d5f8a2-1234-4cde-abcd-ef0123456789",
  "title": "New Feature Announcement",
  "content": "We've launched a new feature! Check it out in your dashboard.",
  "action_url": "https://app.example.com/features/new",
  "category": "product-updates",
  "topic": "feature-announcements",
  "custom_attributes": {
    "feature_id": "feat_001",
    "priority": "high"
  },
  "recipients": {
    "matches": "*"
  },
  "status": "enqueued",
  "sent_count": 0,
  "failed_count": 0,
  "errors": [],
  "created_at": "2026-06-12T10:00:00Z",
  "updated_at": "2026-06-12T10:00:00Z"
}