| Id | FB1ActivityFeedId | Unique identifier for this feed entry instance. | |
| ActivityFeedDtId | FName | Data table ID of the activity feed template used by this entry. | |
| FeedTimeTicks | int64 | Server tick timestamp when this feed entry was generated. | |
| ReceiverEntityId | FB1EntityId | Entity ID of the character who received this feed entry. | |
| ReceiverEntityNameBackup | FText | Backup display name for the receiver entity (used if entity is unavailable). | |
| OtherEntityId | FB1EntityId | Entity ID of the other character involved in the event. | |
| OtherEntityNameBackup | FText | Backup display name for the other entity (used if entity is unavailable). | |
| ParamContext | FB1ActivityFeedParamContext | Optional context for title and description parameters. | |