var address = new Address(0, 0, 38456);
var gateway = new Gateway("0.testnet.hedera.com:50211", 0, 0, 3);
await using var client = new Client(ctx => { ctx.Gateway = gateway; });
var balance = await client.GetAccountBalanceAsync(address);
Console.WriteLine($"Account Balance for {address.AccountNum} is {balance / 100_000_000:#,##0.0} hBars.");
Console.Error.WriteLine(ex.Message);
Console.Error.WriteLine(ex.StackTrace);