Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDpJpqf9AG3z7misrBnjJd/gx8gTo9Zyz/NTKGInFJxXRaiRBwKo1pcbqD2… (1,748 chars)"
  }
}