{
    "type":"object",
    "$schema": "http://json-schema.org/draft-03/schema",
    "id": "http://jsonschema.net",
    "required":true,
    "properties":{ 
        "timeline": { 
            "type":"object", 
            "id": "http://jsonschema.net/timeline", 
            "required":true, 
            "properties":{
                "headline": { 
                    "type":"string", 
                    "id": "http://jsonschema.net/timeline/headline", 
                    "required":false 
                }, 
                "text": { 
                    "type":"string", 
                    "id": "http://jsonschema.net/timeline/text", 
                    "required":false 
                },
                "type": { 
                    "type":"string", 
                    "id": "http://jsonschema.net/timeline/type", 
                    "required": true,
                    "default": "default"
                }, 
                "asset": { 
                    "type":"object", 
                    "id": "http://jsonschema.net/timeline/asset", 
                    "required":false, 
                    "properties":{ 
                        "caption": { 
                            "type":"string", 
                            "id": "http://jsonschema.net/timeline/asset/caption", 
                            "required":false 
                        }, 
                        "credit": { 
                            "type":"string", 
                            "id": "http://jsonschema.net/timeline/asset/credit", 
                            "required":false 
                        }, "media": { 
                            "type":"string", 
                            "id": "http://jsonschema.net/timeline/asset/media", 
                            "required":false 
                        } 
                    } 
                }, 
                "date": { 
                    "type":"array", 
                    "id": "http://jsonschema.net/timeline/date", 
                    "required":false, 
                    "items": { 
                        "type":"object", 
                        "id": "http://jsonschema.net/timeline/date/0", 
                        "required":false, 
                        "properties":{
                            "startDate": { 
                                "type":"string", 
                                "id": "http://jsonschema.net/timeline/date/0/startDate", 
                                "required":false 
                            },
                            "endDate": { 
                                "type":"string", 
                                "id": "http://jsonschema.net/timeline/date/0/endDate", 
                                "required":false 
                            },
                            "headline": { 
                                "type":"string", 
                                "id": "http://jsonschema.net/timeline/date/0/headline", 
                                "required":false 
                            },
                            "text": { 
                                "type":"string", 
                                "id": "http://jsonschema.net/timeline/date/0/text", 
                                "required":false 
                            },
                            "asset": { 
                                "type":"object", 
                                "id": "http://jsonschema.net/timeline/date/0/asset", 
                                "required":false, 
                                "properties":{ 
                                    "caption": { 
                                        "type":"string", 
                                        "id": "http://jsonschema.net/timeline/date/0/asset/caption", 
                                        "required":false 
                                    }, 
                                    "credit": { 
                                        "type":"string", 
                                        "id": "http://jsonschema.net/timeline/date/0/asset/credit", 
                                        "required":false 
                                    }, 
                                    "media": { 
                                        "type":"string", 
                                        "id": "http://jsonschema.net/timeline/date/0/asset/media", 
                                        "required":false 
                                    },
                                    "thumbnail": {
                                        "type":"string", 
                                        "id": "http://jsonschema.net/timeline/date/0/asset/thumbnail", 
                                        "required":false 
                                    }
                                } 
                            }
                        } 
                    } 
                }
            } 
        } 
    }
}