Old: Grants permission to get one or more models. Gets all models for the AWS account if no model type and no model id provided. Gets all models for the AWS account and model type, if the model type is specified but model id is not provided. Gets a specific model if (model type, model id) tuple is specified New: Grants permission to get one or more models. Gets all models for the AWSaccount if no model type and no model id provided. Gets all models for the AWSaccount and model type, if the model type is specified but model id is not provided. Gets a specific model if (model type, model id) tuple is specified