Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDuOyfZU2WMFBa+ysC5y0YNxQE5aRWjyxDdQDKBcPWVgB8qtzQWHLH2xNOx… (844 chars)"
  }
}