How does a user create an interactive story?

Imagine you are joining Instagram Stories team as a product designer and you are given with the following problem statement. Rethink Instagram stories with Interactive stories (You can read upon Interactive content on netflix. Think in line with that). How does a user create an interactive story? How does it appear in stories? What are the possible use cases for the same? (Write ups, mocks anything) Come up with a complete end to end solution Few key points - Core problem being solved - Current status - Best possible solution - And why (The above indicators are just direction, not steps in the process but expectingyou to come up with your own steps & processes.) You can be as creative as possible and can make assumptions as long as it provides a valid reasoning