Mender new device inventory record

{
    "_id": "0e07cdf9-69e9-4397-870a-d44b927b2e0f",
    "attributes": {
        "identity-mac": {
            "name": "mac",
            "scope": "identity",
            "value": "49:f7:c4:40:6d:ed"
        },
        "system-created_ts": {
            "name": "created_ts",
            "value": {
                "$date": "2021-04-30T04:28:32.734Z"
            },
            "scope": "system"
        },
        "system-updated_ts": {
            "name": "updated_ts",
            "value": {
                "$date": "2021-04-30T05:13:31.870Z"
            },
            "scope": "system"
        },
        "identity-status": {
            "name": "status",
            "scope": "identity",
            "value": "accepted"
        },
        "inventory-client_version": {
            "name": "client_version",
            "scope": "inventory",
            "value": "test"
        },
        "inventory-device_type": {
            "name": "device_type",
            "scope": "inventory",
            "value": "qemux86-64"
        },
        "inventory-image_id": {
            "name": "image_id",
            "scope": "inventory",
            "value": "test"
        },
        "inventory-time": {
            "name": "time",
            "scope": "inventory",
            "value": 1619759602
        }
    },
    "revision": {
        "$numberLong": "3"
    }
}