Importing picture by way of API http://drupal.native/entity/file?_format=hal_json
API responding error Entry denied on creating subject 'standing' when including standing subject. I’m utilizing that API with credential of Administrator which have full rights.

{
    "_links": {
        "kind": {
            "href": "http://drupal.native/relaxation/kind/file/picture"
        }
    },
    "filename": [
        {
            "value": "image-test.jpg"
        }
    ],
    "standing": [
        {
            "value": "1"
        }
    ],
    "filemime": [
        {
            "value": "image/jpeg"
        }
    ],
    "kind": [
        {
            "value": "file:image",
            "target_id": "image"
        }
    ],
    "filesize": [
        {
            "value": "3190"
        }
    ],
    "knowledge": [
        {
            "value": "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"
        }
    ]
}

With out standing subject API uploads efficiently with different mime kind:software/octet-stream which needs to be picture/jpeg.