Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQCUPsPaR+HbIHM4U3kM5lmyH5wHYV9wXThVXLNmwrxdlhuOQiZprok4P9YN… (1,748 chars)"
  }
}