Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCEQR8QjVkS+Wd3c8Pd+LS5JsifyR3fJDw2DnsEjc6JCHWhUO2p5u3qVmH2… (1,748 chars)"
  }
}