{
        "type": "array",
        "items": {
            "type": "object",
            "properties": {
                "name": {"type": "string"},
                "type": {"type": "string", "enum": ["person", "org", "location", "product", "event", "concept"]},
                "mentions": {"type": "integer"},
                "sentiment": {"type": "number"},
                "is_primary": {"type": "boolean"}
            }
        }
    }