The so called "Spotify Framework", unlike frameworks or methods of the kind of Scrum, Kanban, Less, Nexus, SAFe, DSDM (or whatever the agile evergreens might all be called) is not a template that an organization can copy and implement. It is an example of a very successful approach to the topic "Agile Product Development" and is intended to encourage people to think and develop on their own.
That is exactly what the experienced agile consultant and coach Alvar Lundberg does in his book. He shows the elements of the Spotify framework, explains its background and shows the reader how he can approach his own agile implementation based on these considerations and insights. He does not focus on specific methods but on agile thinking and acting itself.
Learn to understand the Spotify model and how to use it successfully for your organization and your projects!