Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCU0//ocNqerSfaJsNwQiUj/6YKzKosXW16ff+1UMH32k7Zzzvy1gm8Q5Dp… (1,748 chars)"
  }
}