Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwGjpoH2cSN0UEA4eRxZNXyNdUo49huWsXjpMDsxSe/eRS+zfzaXg2Obeg+T… (844 chars)"
  }
}