Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAVDzQAcSHgw+zdfoluXFtTlrVz2xKlQe3unrkidgLs9RQCQ8LHeJrdOtaY… (1,748 chars)"
  }
}