Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCzGPyNBF/7PZbbH6Xz3uO8e2mjVzYgRzvJlAS8/pgVfijT84UHVb9+aHVF… (1,748 chars)"
  }
}