Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBoGGSe5EEyXPVeRpO7M/CJAFvF5z312Y7Dco4vXCAYgSR6K1My1HE9jv4/… (1,748 chars)"
  }
}