{
    "variants": {
        "": [ { "model": "block/brown_mushroom", "weight":1 }
,{ "model": "block/brown_mushroom1", "weight":1 }
,{ "model": "block/brown_mushroom2", "weight":1 }
,{ "model": "block/brown_mushroom3", "weight":1 }
,{ "model": "block/brown_mushroom4", "weight":1 }
 ]   }
}