Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQBuRXqBhPSZBqJiWKAdheGFCeA+1X9OHpBpunM52pAe/m7hG5Bu3fIP+AZW… (1,748 chars)"
  }
}