igpapi — Instagram private API Simulator for Node.js (API reference) 4.14.0
    Preparing search index...

    Variable TimelineFeedThreadsInFeedUnitSchemaConst

    TimelineFeedThreadsInFeedUnitSchema: Struct<
        {
            id: decodeTo<String, Union<readonly [Number, String]>, never, never>;
            media_dicts: $Array<
                Struct<
                    {
                        id: optionalKey<String>;
                        media_type: optionalKey<Number>;
                        user: optionalKey<
                            Struct<
                                {
                                    pk: decodeTo<
                                        String,
                                        Union<readonly [(...), (...)]>,
                                        never,
                                        never,
                                    >;
                                    username: String;
                                },
                            >,
                        >;
                    },
                >,
            >;
            title: String;
        },
    > = ...

    The Threads block the feed inserts — its own id, its title and the Threads posts it shows. Seen on the Android 451 timeline; its posts carry no feed logging token, and the app issues no request from the block.