Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQB8unpU6mv0xqMBdZrTPWgyDEoTfk3lI17xCgWl21zEXQQt5DVBKX+L1QkB… (1,748 chars)"
  }
}