{
    "type": "array",
    "maxItems": 50,
    "items": {
        "type": "object",
        "properties": {
            "name": {
                "type": "string"
            },
            "image": {
                "type": "string"
            },
            "joined": {
                "type": "string",
                "pattern": "\\d{4}-\\d{2}-\\d{2}"
            }
        }
    }
}