{   "parent": "block/block",
    "textures": {
    "particle": "block/grass_block_top",
    "bottom": "block/dirt",
    "top": "block/grass_block_top",
    "side": "block/grass_block_side",
    "overlay": "block/grass_block_side_overlay",
    "overlay_top": "block/grass_block_top_overlay"
},
"elements": [ 
{
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    "to": [ 16, 16, 16 ],
    "faces": {
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        "north": { "uv": [ 0, 0, 16, 16 ], "texture": "#side", "cullface": "north" },
        "south": { "uv": [ 0, 0, 16, 16 ], "texture": "#side", "cullface": "south" },
        "west":  { "uv": [ 0, 0, 16, 16 ], "texture": "#side", "cullface": "west" },
        "east":  { "uv": [ 0, 0, 16, 16 ], "texture": "#side", "cullface": "east" }
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},
{
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    "faces": {
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},
{
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    "to": [ 16, 16.5, 16 ],
    "faces": {
        "up":    { "uv": [ 0, 0, 16, 16 ], "texture": "#overlay_top", "cullface": "up" }
    }
}
]
}