Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQDSm4hFBacQLpCaHNZIrpQzU1zLk9K26Tw7+mErWAMySD75oIwzXfgQ9sOF… (1,748 chars)"
  }
}