igpapi — Instagram private API Simulator for Node.js (API reference) 4.14.0
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    Variable PostOpenedFromLinkDataSchemaConst

    PostOpenedFromLinkDataSchema: Struct<
        {
            carousel: optionalKey<
                Struct<
                    {
                        children: $Array<String>;
                        size: optionalKey<Number>;
                        slide: optionalKey<Int>;
                    },
                >,
            >;
            mediaId: String;
            trackingToken: String;
        },
    > = ...

    What the post shows and acts with: the media info answer's tracking token and carousel child.