Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBTPFb5c8TJIESoZA+5LCXvQ2fpUakJasaaapxv8I9wUUumK6+Y8E5j5Q7i… (1,748 chars)"
  }
}