{
    "Version": "2012-10-17",
    "Statement": [
        {
            "Sid": "Statement1",
            "Effect": "Allow",
            "Principal": {
                "AWS": [
                    "arn:aws:iam::390096245597:role/roleserviceA",
                    "arn:aws:iam::390096245597:role/roleserviceB"
                ]
            },
            "Action": [
                "sts:AssumeRole"
            ]
        }
    ]
}