Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQG2N3npAli+9CgYkWcI+ZqGn8OyeAXkbG7RawVvWj8Idk4EMdtZwR/wFdN/… (1,748 chars)"
  }
}