ExtMemoDataOutSchema(ExtMemoDataOutSchema)

{
    "title": "string",
    "content": "",
    "start_at": "2019-08-24T14:15:22Z",
    "user_id": 0,
    "customer_id": 0,
    "extra_item_group_id": 0,
    "extra_values": [
        {
            "id": 0,
            "extra_item": {
                "id": 0,
                "name": "string",
                "internal_key": "string",
                "group_id": 0,
                "data_type": "Integer",
                "unit": "Age"
            },
            "value": 0
        }
    ],
    "id": 0
}