toJSON method Null safety

String toJSON()

Implementation

String toJSON() {
  return jsonEncode({
    'nonce': nonce,
    'timestampMs': timestampMs,
    'apkPackageName': apkPackageName,
    'apkCertificateDigestSha256': apkCertificateDigestSha256,
    'apkDigestSha256': apkDigestSha256,
    'ctsProfileMatch': ctsProfileMatch,
    'basicIntegrity': basicIntegrity
  });
}