Documentation
                Save one Deck of the authenticated user. The parameters are the same as in the response to the load method, but only a few are writable.
So you can parse the result from the load, change a few values, then send the object as the param of an ajax request.
If successful, id of Deck is in the msg
Requirements
                
                    
                        
                            | Name | Requirement | Type | Description | 
                    
                    
                                                    
                                | id | \d+ | integer | The numeric identifier of the Deck to update. | 
                                            
                
            
            
                            Parameters
                
                    
                        
                            | Parameter | Type | Required? | Format | Description | 
                    
                    
                                                                                    
                                    | name | string | false |  | Name of the Deck if a change is needed. | 
                                                                                                                
                                    | decklist_id | integer | false |  | Identifier of the Decklist from which the Deck is copied | 
                                                                                                                
                                    | description_md | string | false |  | Description of the Decklist in Markdown | 
                                                                                                                
                                    | tags | string | false |  | Space-separated list of tags | 
                                                                                                                
                                    | slots | string | true |  | Content of the Decklist as a JSON object | 
                                                                                                                
                                    | problem | string | true |  | A short code description of the problem with the provided slots, if one exists. Must be one of: too_few_cards,too_many_cards,invalid_cards,hero | 
                                                                                                                
                                    | meta | string | false |  | JSON formatted meta data |