public ServiceVertexInstance Insert(SecurityToken mySecurityToken, Int64 myTransactionToken, String myVertexTypeName,
ServiceInsertPayload myPayload)
{
var Request = ServiceRequestFactory.MakeRequestInsertVertex(myVertexTypeName, myPayload);
var Response = this.GraphDS.Insert <IVertex>(mySecurityToken, myTransactionToken, Request,
ServiceReturnConverter.ConvertOnlyVertexInstance);
return(new ServiceVertexInstance(Response));
}