ibm-cloud-infrastructure - aws s3api put-object-acl --acl を使用して書き込み権限を変更できますか?

Question

aws --endpoint-url=https://s3-api.us-geo.objectstorage.softlayer.net s3api put-object-acl --bucket mytestbucket --key foo.txt --acl public-read-write

aws --endpoint-url=https://s3-api.us-geo.objectstorage.softlayer.net s3api get-object-acl --bucket mytestbucket --key foo.txt

{
    "Owner": {
        "DisplayName": "b25ce81dcaa1498db3d1c802b3fdd",
        "ID": "b25ce81dcaa1498db3d1c802b3fdd"
    },
    "Grants": [
        {
            "Grantee": {
                "Type": "Group",
                "URI": "ttp://acs.amazonaws.com/groups/global/AllUsers"
            },
            "Permission": "READ"
        },
        {
            "Grantee": {
                "Type": "CanonicalUser",
                "DisplayName": "b25ce81dcaa1498db3d1c802b3fdd",
                "ID": "b25ce81dcaa1498db3d1c802b3fdd"
            },
            "Permission": "FULL_CONTROL"
        }
    ]
}