[{"label": "User Id", "type_id": 2, "field_name": "user_id", "data_column": "user_id", "order_index": 1}, {"label": "Group Id", "type_id": 2, "field_name": "group_id", "data_column": "group_id", "order_index": 2}, {"label": "Role", "type_id": 1, "field_name": "role", "data_column": "role", "order_index": 3}]