/files.upload

{
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        "id": "F0TD00400",
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        ],
        "is_external": false,
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        "is_starred": false,
        "mimetype": "image/jpeg",
        "mode": "hosted",
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        "permalink_public": "https://.../More-Path-Components",
        "pretty_type": "JPEG",
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        "url_private_download": "https://.../dramacat.gif",
        "user": "U0L4B9NSU",
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}