Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQB5b89bOWRdO5bCXBCCKIDVjNr5r2byg7wWkhnhS4Qfch4JbaODR4FNfzGA… (1,748 chars)"
  }
}