Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQHaqQ9DMElzzZzv9kxSZBZHsOtFt7fYEPfgztPICiZ5ok9KkHhJpTv/4b22… (1,748 chars)"
  }
}