Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwE+GvonHWCBRcXgD4J6VQWl6Pe0Yj8OdKCl/JP6QCmOGHYmdj5BaKRQEmHt… (844 chars)"
  }
}