post https://api.hyplay.com/v1/apps//leaderboards//scores
Create a score for the provided leaderboardId. Leaderboard scores can be provided for any user id when the app secret key authorization is provided. Alternatively, a user may submit their own scores by provided their session authorization, with a request body containing score and hash. A valid hash is intended to be generated for each score within the game client as sha256(leaderboardKey:userId:score).