Get Douyin user following list

Returns Douyin user following list. Optional inputs: count, max_time, sec_user_id, source_type. When requesting for the first time, pass 0 for max_time, pass 2 for source_type, and an empty fans list will be returned, which contains max_time, then pass the max_time returned by the previous request for paging each time, pass 1 for source_type, you can get the fans list. source_type: Source type, default is 1, use 2 as the source type for the first request, and then use 1 as the source type for the subsequent request.