put https://api.freshrelevance.com/api//custom_data_tables/table/
Updates basic information and the fields associated with a specific Custom Data Table. When updating fields, this is a complete state transfer, so you must include all fields in this request. Any new fields included will be created. Any existing fields not included will be deleted. Fields will be matched on fieldId. If you do not include any of name, archived, or fields in the request then they won't be updated.