Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFnF/FLRa4Scr7YP61cIOYoFtmYY+y50TrPbEqbZA/KY3+3Nzg4vArPkWTO… (844 chars)"
  }
}