Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQB5uQZ+uaYYZyWlrfW61bWYLKeM9KPTZaMNgOlcfMSQcx42tq9SQ2GJ0kqw… (1,748 chars)"
  }
}