Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQADtcGW1ZHZz+y43fWNdns+7rHOwDh2k7yZEzeyk/mwCjY6SHjy/hTVy0Pm… (1,748 chars)"
  }
}