try {
    // Initialize a new instance of the MemoryStream class.
    using (MemoryStream MemoryStream = new MemoryStream()) {
        // Copy the contents of the incoming HTTP entity body to the memory stream.
        Request.InputStream.CopyTo(MemoryStream);
        // Create a binding for a type with the provided values.
        YOUR_TYPE_HERE Bound = (YOUR_TYPE_HERE)JsonConvert.DeserializeObject(Request.ContentEncoding.GetString(MemoryStream.ToArray()), typeof(YOUR_TYPE_HERE));
        // HANDLE BINDING
    }
} catch {
    // HANDLE FAILURE
}