阿里云迁移数据库RAM授权用的代码

{
    "Statement": [
        {
            "Action": "sts:AssumeRole",
            "Effect": "Allow",
            "Principal": {
                "RAM": [
                    "acs:ram::目标实例所属的云账号ID:root"
                ],
                "Service": [
                    "目标实例所属的云账号ID@dts.aliyuncs.com"
                ]
            }
        }
    ],
    "Version": "1"
}