post https://test-api.stash.gg/sdk/link_code/link_apple_game_center
Link Apple Game Center accounts to the Stash web shop by passing a verification signature.
Prerequisite
Set up your bundleId for your game in Stash Studio before using this endpoint.
To link accounts, the endpoint expects Signature, teamPlayerId, publicKeyURL, salt, and timestamp issued by calling Apple's fetchItems endpoint on the game client on behalf of the player. Signatures must be no older than one hour.