Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCg9N+eNehPN8hGBRJ7HNlx/v8cDX7HbR7E0NZBx+6HO1D5aIN00IWo9HN+… (1,748 chars)"
  }
}