public ParseCommand(string relativeUri,
string method,
string sessionToken = null,
IList <KeyValuePair <string, string> > headers = null,
IDictionary <string, object> data = null) : this(relativeUri : relativeUri,
method : method,
sessionToken : sessionToken,
headers : headers,
stream : data != null ? new MemoryStream(UTF8Encoding.UTF8.GetBytes(Json.Encode(data))) : null,
contentType : data != null ? "application/json" : null)
{
}