...
to:{"applicationId":"demo","digest":"x5YDd9lD9/ZrcPHDkLmQduIsqh5flpNvmTEhvAKLdK9gNy9Tv1yDin3ZOk9AZmqZqj7BSEPevxS8s5JCdFzEbw==","token":"{"expires":1930076626660,"requiredTag":"channelAlias:phenixWebsiteDemo"}"}
Alternatively, if If you have access to the Portal, you can paste the token into the EdgeAuth > Debug Token page available from any channel.
...