{

"ResourceTypes": {
    "AWS::ServiceDiscovery::Instance": {
        "patch": {
            "description": "Treat Map primitive type as Json",
            "operations": [
                {
                    "op": "replace",
                    "path": "/Properties/InstanceAttributes/PrimitiveType",
                    "value": "Json"
                }
            ]
        }
    }
}

}