Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQJN1ZoE1b2Zu6ZNrG/naIe9HvkAWgmoBji7gqr/BXpTEn3BniNhy5pDiZyx… (1,748 chars)"
  }
}