dirt.json

{
  "type": "minecraft:block",
  "pools": [
    {
      "rolls": 1,
      "entries": [
        {
          "type": "minecraft:alternatives",
          "children": [
            {
              "type": "minecraft:alternatives",
              "conditions": [
                {
                  "condition": "minecraft:match_tool",
                  "predicate": {
                    "item": "minecraft:wooden_shovel"
                  }
                }
              ],
              "children": [
                {
                  "type": "minecraft:item",
                  "conditions": [
                    {
                      "condition": "minecraft:match_tool",
                      "predicate": {
                        "enchantments": [
                          {
                            "enchantment": "minecraft:silk_touch",
                            "levels": {
                              "min": 1
                            }
                          }
                        ]
                      }
                    }
                  ],
                  "name": "minecraft:egg"
                },
                {
                  "type": "minecraft:item",
                  "name": "minecraft:chicken"
                }
              ]
            },
            {
              "type": "minecraft:item",
              "name": "minecraft:diamond"
            }
          ]
        }
      ],
      "conditions": [
        {
          "condition": "minecraft:survives_explosion"
        }
      ]
    }
  ]
}