Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQBx/XsFjdpLo3u7RdfK/F8HoMoIRe3FQokmXJuCxz7QIzTfoeCT7aHsC2j7… (1,748 chars)"
  }
}