Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwB7/YYEBry4siWcWkH0K0WR2asPUU6OOCq88cxKtGc5eUPJGrLD7BoAQyZZ… (844 chars)"
  }
}