Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDZlo0ui6bFIdGEitxmRR9zEv0uaDw+Fbjy8b5YpEh5BlAuXx1XTJazj0uJ… (1,748 chars)"
  }
}