Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQBT9CMRmKcMjgyBhRx2mKniDlR0D1dWi4sH1ZRWP7Guxj+nrUAZbI+Q9K6A… (1,748 chars)"
  }
}