curl --request GET \
  --url https://agenticadvertising.org/api/registry/catalog/sync

{
  "entries": [
    {
      "property_rid": "<string>",
      "property_id": "<string>",
      "classification": "<string>",
      "source": "<string>",
      "status": "<string>",
      "adagents_url": "<string>",
      "created_by": "<string>",
      "created_at": "<string>",
      "updated_at": "<string>",
      "source_updated_at": "<string>"
    }
  ],
  "server_timestamp": "<string>",
  "next_cursor": "<string>"
}