Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQC3EjKuBOCZuaD/KTd6O90ZX1TQHxHQB5jxgFq9RWka7ml9Hm8TOLBkBu5+… (1,748 chars)"
  }
}