Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBzmMT1/DIRhpA+0Bi5m8+CyCxvkIoqXfNNJMFi7WPsLmsbM99CVKKtjCKm… (1,748 chars)"
  }
}