Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQBKnqej4kQtQ6sz54CbQXFHTrxjMSHQfYjFn/91cWjMlVu94pvYHFdENvzZ… (1,748 chars)"
  }
}