[
    {
        "clientId": "_clientId_0",
        "name": "core/html",
        "isValid": true,
        "attributes": {
            "content": "<h1>Some HTML code</h1>\n<marquee>This text will scroll from right to left</marquee>"
        },
        "innerBlocks": [],
        "originalContent": "<h1>Some HTML code</h1>\n<marquee>This text will scroll from right to left</marquee>"
    }
]