public async Task <MsgOp> RequestAsync(string subject, IPayload body, int?timeoutMs = null)
{
ThrowIfDisposed();
EnsureArg.IsNotNullOrWhiteSpace(subject, nameof(subject));
EnsureArg.IsNotNull(body, nameof(body));
return(await DoRequestAsync(subject, body.GetBytes().ToArray(), timeoutMs).ConfigureAwait(false));
}
