{
    "type": "object",
    "properties": {
        "id": {
            "type": "string"
        },
        "snippet": {
            "type": "string"
        },
        "historyId": {
            "type": "string"
        }
    },
    "required": [
        "id",
        "snippet",
        "historyId"
    ],
    "version": 1
}