Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQDA4j66OxX29okK3Djf0uOmFPfIeYeTvHIYgZ1SauEuPDzBBC/48SL9RBZx… (1,748 chars)"
  }
}