Did you figure out what causes this issue or how to fix it? I tried to reproduce the issue with one of your hashes and did not get the error. let assertion = try await DCAppAttestService.shared.generateAssertion(key, clientDataHash: Data(base64Encoded: "uqQ2OEoaFGyzYarDffqkJxeBIumSfIMYmdb/LWkmCvI=")!)

Did you figure out a way to fix this issue?