public KnetikApiResponse GetRelationships(int ancestorDepth, int descendantDepth, bool includeSiblings, Action<KnetikApiResponse> cb = null)
{
JSONObject j = new JSONObject (JSONObject.Type.OBJECT);
j.AddField ("ancestorDepth", ancestorDepth);
j.AddField ("descendantDepth", descendantDepth);
j.AddField ("includeSiblings", includeSiblings);
String body = j.Print ();
KnetikRequest req = CreateRequest(UserGetRelationshipsEndpoint, body);
KnetikApiResponse res = new KnetikApiResponse(this, req, cb);
return res;
}