Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwEy3gERXx3fJwmzL/W+Z7QZw+ME6KnNfQ4ErxfScZWAUxB2h6Y5fbiVn3Jc… (844 chars)"
  }
}