gistfile1.cs

[Route('/person/{id}')]
public class Person 
{
  public Int Id;
  public string Name;
  public Address HomeAddress;
}

[Route('/address/{id}')]
public Address
{
  public int Id;
  public string City;
}

object Get(int id)
{
  var person = LoadPersonWithAddressIdFromDbByPersonId(id);
  
  return person;
}
//Serialized as JSON
{
  Id: 5,
  Name: Simon,
  links: [
    {
      href: '/address/2',
      rel: 'address'
    }
  ]
  
  }
}