<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def get_json_payload_magic_envelope(self, payload):
 """Encrypted JSON payload"""

        private_key = self._get_user_key()
        return EncryptedPayload.decrypt(payload=payload, private_key=private_key)