[DataContract]
public sealed class DummyClass {
  [DataMember(Name = "field")]
  public string Field1
  {
    get;
    set;
  }
}

var graph = new DummyClass
{
  Field1 = "Lorem Ipsum"
};

var settings = new HessianSerializerSettings();
var serializer = new DataContractHessianSerializer(typeof(DummyClass), settings);

using (var stream = new MemoryStream())
{
  serializer.WriteObject(stream, graph);
}

var settings = new HessianSerializerSettings();
var serializer = new DataContractHessianSerializer(typeof(DummyClass), settings);

// your data retrieval goes here
var packet = new byte[...];

using (var stream = new MemoryStream(packet))
{
  var graph = (DummyClass) serializer.ReadObject(stream);
}