Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQADZVg7Jb+ffekfJuEFdjHMjINUuJ1Pg3hCLQgUWgijARipA8OqpAF/y8Xg… (1,748 chars)"
  }
}