Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQAotA1ng6i/dlGv39ABZo1BqZ4pLYAJQTqf+TdPb8oT/RZEy5GzGXxa+jeI… (1,748 chars)"
  }
}