{
    "status_code": 400, 
    "data": {
        "ResponseMetadata": {
            "HTTPStatusCode": 400, 
            "RequestId": "158815a1-a219-11e5-b354-111009c28f60"
        }, 
        "Error": {
            "Message": "The role defined for the task cannot be assumed by Lambda.", 
            "Code": "InvalidParameterValueException"
        }
    }
}