Solana - Create Nonce Account using Solnet

CreateNonceAccount.cs

public class CreateNonceAccountExample : IExample
{
    private static readonly IRpcClient rpcClient = ClientFactory.GetClient(Cluster.TestNet);

    private const string MnemonicWords =
        "route clerk disease box emerge airport loud waste attitude film army tray " +
        "forward deal onion eight catalog surface unit card window walnut wealth medal";

    public void Run()
    {
        var wallet = new Wallet.Wallet(MnemonicWords);

        var blockHash = rpcClient.GetRecentBlockHash();
        var minBalanceForExemptionAcc =
            rpcClient.GetMinimumBalanceForRentExemption(SystemProgram.AccountDataSize).Result;

        var ownerAccount = wallet.GetAccount(10);
        Console.WriteLine($"OwnerAccount: {ownerAccount.PublicKey.Key}");
        var nonceAccount = wallet.GetAccount(1111);
        Console.WriteLine($"NonceAccount: {nonceAccount.PublicKey.Key}");

        var tx = new TransactionBuilder()
            .SetRecentBlockHash(blockHash.Result.Value.Blockhash)
            .SetFeePayer(ownerAccount)
            .AddInstruction(SystemProgram.CreateAccount(
                ownerAccount,
                nonceAccount,
                minBalanceForExemptionAcc,
                SystemProgram.AccountDataSize,
                SystemProgram.ProgramIdKey
            ))
            .AddInstruction(SystemProgram.InitializeNonceAccount(
                nonceAccount,
                ownerAccount))
            .Build(new List<Account>{ ownerAccount, nonceAccount });
        
        
        Console.WriteLine($"Tx: {Convert.ToBase64String(tx)}");
        var txSim = rpcClient.SimulateTransaction(tx);
        var logs = Examples.PrettyPrintTransactionSimulationLogs(txSim.Result.Value.Logs);
        Console.WriteLine($"Transaction Simulation:\n\tError: {txSim.Result.Value.Error}\n\tLogs: \n" + logs);

        /*
        var txReq = rpcClient.SendTransaction(tx);
        Console.WriteLine($"Tx Signature: {txReq.Result}");*/
    }
}