Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAkLX5nIwk7NQz1WeJngBrhXlPFRBt4/m8qxi7qV9tXRGPN+JNIs88y0EQu… (1,748 chars)"
  }
}