Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQGrgDqU9KHa8RLCsN/2bhiU67/Yzt/tyY4vZYyWN1RHXE3rtZh/SLBy21AB… (1,748 chars)"
  }
}