atorData))),
                             "signature": btoa(String.fromCharCode(...new Uint8Array(assertion.response.signature))),
                             "attestation": btoa(String.fromCharCode(...new Uint8Array(assertion.response.attestationObject))),
                             "client-data": btoa(String.fromCharCode(...new Uint8Array(assertion.response.clientDataJSON))),
                         };
                     })
                     .then(payload => {
                         $.ajax({
  