Multipart / form-data upload to BuildShip API to another API

{
    "status": 200,
    "data": {
        "numAdded": 0,
        "addedDocs": []
    }
}

{
    "numAdded": 1,
    "addedDocs": [
        {
            "pageContent": "example text",
            "metadata": {
                "source": "blob",
                "blobType": "",
                "loc": {
                    "lines": {
                        "from": 1,
                        "to": 32
                    }
                },
                "filename": "file.txt",
                "filetype": "text"
            }
        }
    ]
}