Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDW/RpSgucrNu4BTc1uPtsDBJ6vt6LPJ4rVUXnHOr2wAn6zvXi6C1+qyIzx… (1,748 chars)"
  }
}