Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDbwKoL3EFTnHLPx8V24tpFjUDuoaAtn+6tvjsLia9h/GNsmwtpD0EH/4sc… (1,748 chars)"
  }
}