Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCxHUzMquD/4LeLx8WJbexsT7Qw5KpLOxYSWeUo7JxcUyLMdGswJw4rdHWH… (1,748 chars)"
  }
}