Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQHtLdS4h7FduYJ4fXRTD/5HxWa7uHRa0JM5DvH89LP+cF8GSD1nXonWxcdA… (1,748 chars)"
  }
}