Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQF1bgF9STymZiJYTsUm9ZgcLq5HMmcpO67HiEzOC/4jDB8PfcJkQjPHkDZw… (1,748 chars)"
  }
}