Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQDYMDD9BhBHdaQNbeMu9Cnq1Wv+DpgfTBunLsvlSxlV7AcL9tQhcF5CM9mx… (1,748 chars)"
  }
}