{
  "Version": "2012-10-17",
  "Statement": [
    {
      "Sid": "SubscriptionManagementPolicy",
      "Effect": "Allow",
      "Action": [
        "identitystore:DescribeGroup",
        "identitystore:DescribeUser",
        "identitystore:IsMemberInGroups",
        "identitystore:ListGroupMemberships",
        "organizations:DescribeOrganization",
        "sso:DescribeApplication",
        "sso:DescribeInstance",
        "sso:ListInstances",
        "sso-directory:DescribeUser",
        "sso:ListApplicationAssignments"
      ],
      "Resource": [
        "*"
      ]
    },
    {
      "Sid": "AllowKmsAccessViaIdentityCenter",
      "Effect": "Allow",
      "Action": [
        "kms:Decrypt"
      ],
      "Resource": "*",
      "Condition": {
        "ArnLike": {
          "kms:EncryptionContext:aws:sso:instance-arn": "arn:*:sso:::instance/*"
        },
        "StringLike": {
          "kms:ViaService": "sso.*.amazonaws.com"
        }
      }
    },
    {
      "Sid": "AllowKmsAccessViaIdentityStore",
      "Effect": "Allow",
      "Action": [
        "kms:Decrypt"
      ],
      "Resource": "*",
      "Condition": {
        "ArnLike": {
          "kms:EncryptionContext:aws:identitystore:identitystore-arn": "arn:*:identitystore::*:identitystore/*"
        },
        "StringLike": {
          "kms:ViaService": "identitystore.*.amazonaws.com"
        }
      }
    }
  ]
}