Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwEsE+/YfEQp41ve5oGvt5D8OFZQRHDiCsZguvg/D/4j6Gv0R+ujby18g9Xt… (844 chars)"
  }
}