Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQFcppIRy2xUrOaRRXa0XBwXGp+MgExnU85C3z8dbTviOwcHbquY3bDvLwA/… (1,748 chars)"
  }
}