Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCU31+P3H1eoh/U2o/yrTGIE4LKgHDAwNtARPiRN7XddSxXqjz3X+6jm3ko… (1,748 chars)"
  }
}