Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQD0+a4J1oQQcSxmrMCXCUPPNjhY/MiXUh92hsgul7JuWUwfott/xy//4KJ+… (1,748 chars)"
  }
}