Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBdEC5EpS8J/IFUbBoCRSqYsOxmlTadOyu/h9JKpZHNehgi8sX9UT13l7V+… (1,748 chars)"
  }
}