Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDA7N17HATr2X7A7hUTWfOJ76sSdkEJq+U+NK2yBL9fzB4Z84jCw/C5Xvsv… (1,748 chars)"
  }
}