{
    "variants": {
        "": [
          { "model": "block/smooth_stone" },
          { "model": "block/block/smooth_stone_1" },
          { "model": "block/block/smooth_stone_2" },
          { "model": "block/block/smooth_stone_3" },
          { "model": "block/block/smooth_stone_4" }
        ]
    }
}
