Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBb3KqUlB1bq2KW9+rhn23lu3APIwsF8/Fk2Wdt0RoW9Tg8qiPrrBYhH0ae… (1,748 chars)"
  }
}