Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwCxnZosW6ZU7+tMHiiDjFbjWJ7QVwE/+g9v5LyArY5s+R9KkCYurhHpfaHB… (844 chars)"
  }
}