Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCR0rzGd8lZcAGjJPxPOnIESnpqZYfXbfmd9F4zF03YhRGzPwZY5D6MaDii… (1,748 chars)"
  }
}