Success.message max_size:256 Failure.message max_size:256 ButtonRequest.data max_size:256 PinMatrixAck.pin max_size:10 PassphraseAck.passphrase max_size:51 PassphraseAck.state max_size:64 PassphraseStateRequest.state max_size:64 HDNodeType.chain_code max_size:32 HDNodeType.private_key max_size:32 HDNodeType.public_key max_size:33