Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAVbdYdKEtp/F3q+tfipgRWEnsqoMzC3QpmQbvqP5Hx6BXkWZpF8yJDmClC… (1,748 chars)"
  }
}