| Name | Type | Description |
|---|---|---|
| author_ref | String | |
| color | String | |
| created_ms | Long | |
| description | String | |
| description_tokens | MediaTextToken[] | |
| friend_refs | String[] | |
| group_ref | String[] | |
| hashtag | String[] | |
| id | String[] | |
| image | ImageBean[] | |
| is_joined | Boolean[] | |
| name | String[] | |
| required_content | MediaTopicChallengeContentTypeApi[] | |
| total_count | Integer[] | |
| type | MediaTopicChallengeTypeApi[] |