public static void Run()
{
    // specify custom settings to include standard document metadata signatures (Author, Owner, Creation date, etc)
    var settings = new SignatureSettings()
    {
        IncludeStandardMetadataSignatures = true
    };
    // create the Signature instance with the settings
    using (Signature signature = new Signature("signedContract.docx", settings))
    {
        IDocumentInfo documentInfo = signature.GetDocumentInfo();
        Console.WriteLine($"Document properties {Path.GetFileName(filePath)}:");
        Console.WriteLine($" - format : {documentInfo.FileType.FileFormat}");
        Console.WriteLine($" - extension : {documentInfo.FileType.Extension}");
        Console.WriteLine($" - size : {documentInfo.Size}");
        Console.WriteLine($" - page count : {documentInfo.PageCount}");
        foreach (PageInfo pageInfo in documentInfo.Pages)
        {
            Console.WriteLine($" - page-{pageInfo.PageNumber} Width {pageInfo.Width}, Height {pageInfo.Height}");
        }
        
        // display document Metadata signatures information
        Console.WriteLine($"Document Metadata signatures : {documentInfo.MetadataSignatures.Count}");
        foreach (MetadataSignature metadataSignature in documentInfo.MetadataSignatures)
        {
            Console.WriteLine($" - #{metadataSignature.Name} = {metadataSignature.Value}");
        }
    }
}