Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCem9HvKX6TKWJjjtSZdE406DUFNlhoPqU88NWiAuCi0XbJuUOC+2kO4XfS… (1,748 chars)"
  }
}