Good-Morning-Craft-Minetest/assets/minecraft/models/block/grass_normal.json

{
    "parent": "block/grass",
    "textures": {
        "particle": "blocks/dirt",
        "bottom": "blocks/dirt",
        "top": "blocks/grass_top",
        "side": "blocks/grass_side",
        "overlay": "blocks/grass_side_overlay"
    }
}