ios11 - Apple Music Kit + Apple Music Account + ICloud Account -


i working on apple music kit , able developer token, user token , list of top charted songs apple music kit web api's.

but problems below: 1. how verify token expired or not? 2. how check itunes account changed in device? 3. how check itunes account removed device?

can 1 suggest, how can handle above issue?

thanks


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