{
    "pools": [
        {
            "rolls": 1,
            "entries": [
                {
                    "type": "item",
                    "weight": 1,
                    "name": "vatonage:gravel_seeds"
                }
            ]
        },
        {
            "rolls": {
                "min": 2,
                "max": 3
            },
            "entries": [
                {
                    "type": "item",
                    "weight": 1,
                    "name": "minecraft:gravel"
                }
            ]
        }
    ]
}