pub fn verify_signature(
req: <PassFatPointerAndDecode<SignatureVerificationRequest> as RIType>::Inner,
) -> <AllocateAndReturnByCodec<Option<()>> as RIType>::Innerpub fn verify_signature(
req: <PassFatPointerAndDecode<SignatureVerificationRequest> as RIType>::Inner,
) -> <AllocateAndReturnByCodec<Option<()>> as RIType>::Inner