void ReadMachineInfo(JsonData jd)
{
machineInfo = new MachineInfo();
machineInfo.ParseSlots(jd["slots"]);
machineInfo.ParsePayouts(jd["payouts"]);
machineInfo.ParseLines (jd["lines"]);
machineInfo.ParseGemOdds(jd["gem_odds"]);
ParseReels(jd["reels"]);
}