別アカウントのS3バケットに転送する手順

{
    "Version": "2012-10-17",
    "Statement": [
        {
            "Sid": "DelegateS3Access",
            "Effect": "Allow",
            "Principal": {
                "AWS": "arn:aws:iam::<AWS ID of Account B>:user/<IAM account name on Account B>"
            },
            "Action": [
                "s3:ListBucket",
                "s3:GetObject"
            ],
            "Resource": [
                "arn:aws:s3:::<minedia-source-bucket>/*",
                "arn:aws:s3:::<minedia-source-bucket>"
            ]
        }
    ]
}