Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCV7xt18a3Hm3WgNxb7Sd526GQZZrhF4Vq7rVphXiYom3r9hU9fhb/AHU5m… (1,748 chars)"
  }
}