{
    "tile_processors": [
        {
            "type": "leveled",
            "levels": [
                {
                    "level": 0,
                    "type": "weighted_target",
                    "target": "ispawner:spawner",
                    "output": {
                        "ispawner:spawner{ Inventory: { Stacks: [ {id: \"minecraft:zombie_spawn_egg\", Count: 32}, {id: \"minecraft:spider_spawn_egg\", Count: 32}, {id: \"minecraft:skeleton_spawn_egg\", Count: 16}, {id: \"minecraft:creeper_spawn_egg\", Count: 16}, {id: \"minecraft:witch_spawn_egg\", Count: 8 } ] } }": 1
                    }
                }
            ]
        }
    ]
}