[
	{
		"it_id": "1",
		"it_itemname": "h-X-20220720060100",
		"it_timestamp": null,
		"it_actor": null
	},
	{
		"it_id": "2",
		"it_itemname": "c-X-20220720060100",
		"it_timestamp": "20220720060100",
		"it_actor": "2"
	},
	{
		"it_id": "3",
		"it_itemname": "h-Y-20220720060200",
		"it_timestamp": null,
		"it_actor": null
	},
	{
		"it_id": "4",
		"it_itemname": "c-Y-20220720060200",
		"it_timestamp": "20220720060200",
		"it_actor": "3"
	}
]