Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAmXBp9BOlxFOCuGZ5TD9xWcr8B8G5zTTWySKsYnKzFdTEgmu8Ewyyy0igB… (1,748 chars)"
  }
}