At time of writing, streaming likes is considered an [enterprise tier feature](https://developer.twitter.com/en/docs/tweets/sample-realtime/overview/streaming-likes). However, it should be possible to work around this with some application logic and periodic use of the [GET favourites/list](https://developer.twitter.com/en/docs/tweets/post-and-engage/api-reference/get-favorites-list) endpont. See [this SO](https://stackoverflow.com/questions/12368684/twitter-api-how-to-get-users-id-who-favorite-specific-tweet) for inspiration.
At time of writing, streaming likes is considered an enterprise tier feature.
However, it should be possible to work around this with some application logic and periodic use of the GET favourites/list endpont.
See this SO for inspiration.