Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwG/iJhUb3j4LL+eNDgJEu3IdwmCL8FbhGgX4o2FgvMWiH4XhRXwoUz7Qef+… (844 chars)"
  }
}