src/main/resources/builtin/loot/entities/squid.json

{
  "items": [
    {
      "default": {
        "count": {
          "max": 3,
          "min": 1
        },
        "item": "ink_sack"
      }
    }
  ],
  "experience": {
    "count": {
      "max": 3,
      "min": 1
    }
  }
}