[
    {
        "blockName": "core/block",
        "attrs": {
            "ref": 123
        },
        "innerBlocks": [],
        "innerHTML": "",
        "innerContent": []
    },
    {
        "blockName": null,
        "attrs": {},
        "innerBlocks": [],
        "innerHTML": "\n",
        "innerContent": [ "\n" ]
    }
]