Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBrJDNrcAzqHVXtPg/0HCFqJMjOMec4qu2jakJXP56FKwMFdFZFKQ4B2moD… (1,748 chars)"
  }
}