Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQF6N1j9pJE+WxY6CzK3+wPMJuP0b3QS5crrH3QJTx6KHEYUqVX673eDP5Kn… (1,748 chars)"
  }
}