public OfferResponse(long id, string pagingToken, KeyPair seller, Asset selling, Asset buying, string amount, string price, OfferResponseLinks links)
 {
     Id          = id;
     PagingToken = pagingToken;
     Seller      = seller;
     Selling     = selling;
     Buying      = buying;
     Amount      = amount;
     Price       = price;
     Links       = links;
 }
 public OfferResponse(string id, string pagingToken, string seller, Asset selling, Asset buying, string amount,
                      string price, int lastModifiedLedger, string lastModifiedTime, OfferResponseLinks links)
 {
     Id                 = id;
     PagingToken        = pagingToken;
     Seller             = seller;
     Selling            = selling;
     Buying             = buying;
     Amount             = amount;
     Price              = price;
     LastModifiedLedger = lastModifiedLedger;
     LastModifiedTime   = lastModifiedTime;
     Links              = links;
 }