Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQC3vmvfN4gQ1WkD7wD5xfZvo7OqPaXD5AfnkJEPZA+1VnAeAs/z7ffqjjoA… (1,748 chars)"
  }
}