easy giftcard config, need help. will share with the helper.

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the config changes post data on every login for example email=testedr%40hotmail.com&password=bdbdbdb56&ts=1577757315204&appsflyer_user_id=BBBA92F6-2303-42E3-A3C3-62EAFE522EDC&sign=bdecc8d832bb8d663c72e57e5c27973bb95cff26  the sign= code will change every attempted login? how to fix this? i will share the config to who helps me $$$$$