Editing neo slot of "The Art of Painting"

{
    "mainSubject": "sEpfwJLoB8WxiXG",
    "subjects": {
        "sEpfwJLoB8WxiXG": {
            "label": "The Art of Painting",
            "schema": "Artwork",
            "statements": {
                "Year": {
                    "type": "number",
                    "value": 1666
                },
                "Medium": {
                    "type": "text",
                    "value": [
                        "Oil on canvas"
                    ]
                },
                "Creator": {
                    "type": "relation",
                    "value": [
                        {
                            "id": "rEpfwJLoScyfU3j",
                            "target": "sEpfwJLo3dEPj2Z"
                        }
                    ]
                },
                "Located at": {
                    "type": "relation",
                    "value": [
                        {
                            "id": "rEpfwJLoTZQ5HBf",
                            "target": "sEpfwJLnyuR5E4i"
                        }
                    ]
                },
                "Image": {
                    "type": "url",
                    "value": [
                        "https://upload.wikimedia.org/wikipedia/commons/4/4a/Johannes_Vermeer_-_The_Art_of_Painting_-_Google_Art_Project.jpg"
                    ]
                },
                "Estimated value": {
                    "type": "number",
                    "value": 200
                }
            }
        }
    }
}