{
    "variants": {
        "": [ { "model": "block/smooth_stone", "weight":100 }
,{ "model": "block/smooth_stone1", "weight":5 }
,{ "model": "block/smooth_stone2", "weight":5 }
,{ "model": "block/smooth_stone3", "weight":100 }
,{ "model": "block/smooth_stone4", "weight":100 }
,{ "model": "block/smooth_stone5", "weight":5 }
 ]   }
}