Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQABfoYlUxCWmtMzF6TnCXjz3AMjrMXNNaS3XcPCwY/8PlY6F9B6Ze1/yY3Z… (1,748 chars)"
  }
}