Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBTaRaVjRWk5TZpU9Z+87ufitySnM4/qo0UKcU+inJNCz827nsk2oQgT6Jm… (1,748 chars)"
  }
}