[
 {
  "op": "add",
  "path": "/properties/SubscriptionRoleArn/format",
  "value": "AWS::IAM::Role.Arn"
 },
 {
  "op": "add",
  "path": "/properties/TopicArn/format",
  "value": "AWS::SNS::Topic.Arn"
 }
]
