@Override
  public Bytes32 getNonce() {
    return nonce;
  }
Decodes this message.

@param bytes The raw bytes.
@param nodeKey Abstraction of the local nodes keys and associated cryptographic operations
@return The decoded message.
ethereum/p2p/src/main/java/org/hyperledger/besu/ethereum/p2p/rlpx/handshake/ecies/InitiatorHandshakeMessageV4.java