Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQC/v+IjMEeA8sKreWiVQ0vDp+ee4GCkFcIU+tEMqSORWEkQu6Ot/ctEzdy9… (1,748 chars)"
  }
}