Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAF1+wCqjxQ7j5D5dLAM+QLRnGJiFkWou4xbnsvp6aFXHxrg5V0wYgBn3c9… (1,748 chars)"
  }
}