The ‘Deploy to Herku’ button not work

[kenpig]

Thanks a lot for your tutorials.
I pressed the ‘Deploy to Herku’ button, but it didn't show Base64_encoded_signing_key.
Please help me solve this problem. Thank you very much.

[astat-narek]

Hi,
I've found it here
https://elements.heroku.com/buttons/lionheart/in_app_purchase_receipt_verifier