Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQCYTsKOPHfOGvKUWNQc9h74C5jPUm5H6GKcJ2VG4g5iGk8hP2fMXw6DXc44… (1,748 chars)"
  }
}