Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQBIaOa3RiIHjCLsaT+tinM6X6KIOnFypX/iMeLmlgX0kV7mchQ3giRKi0zx… (1,748 chars)"
  }
}