Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBDdM+QavZLn5cJeUg/c2lyrSEAplzFYEK8qOYAIKbRyxFs63fnG3jOwvc6… (1,748 chars)"
  }
}