Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQFS1xnNIY/xbLAo8s3Zr9f/YR7hQhqXexEPiVldkvNnpCxijjIUC5oHGUsW… (1,748 chars)"
  }
}