{
  "rules": [
     {
      "score": -1,
      "condition": {
      "operator": "AND",
        "subconditions": [
          { "attribute": "category_id", "operator": "=", "value": "1010" },
          { "attribute": "zone_id", "operator": "=", "value": "C-2"  }
        ]
      }
    }
  ]
}

Add another example rule structure for constructing category/zone constraints
Add another example rule structure for constructing category/zone constraints
