Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAYtr0Pp8HMwcCWBonDs6/vlLMqnXvUF95xwzGQ1a6Oai0VnSsGLMsjvwYY… (1,748 chars)"
  }
}