Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAR6a5N/dyC5+jzh5xWc2XuOsQN14W0y3g6VTgoUe1ygHNX/fykL6+oEF7S… (1,748 chars)"
  }
}