Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAdqpRTX6R1Y4y6zqwI8fKXVMoM+/u/wRFajN0cQ2jP51wGVQGsxNbybcHS… (1,748 chars)"
  }
}