Error while decoding base64 string

Hi, I am using elixir version 1.8.2

while running in iex shell Base.decode64(“eyJpc3MiOiJodHRwczovL2FjY291bnRzLmdvb2dsZS5jb20iLCJhenAiOiI4NDgwMzc1NTA1Mi0zYjFpNXV2b2JubnRzOWw5MzJwaGdiMmE4dWRmaHRrbi5hcHBzLmdvb2dsZXVzZXJjb250ZW50LmNvbSIsImF1ZCI6Ijg0ODAzNzU1MDUyLTNiMWk1dXZvYm5udHM5bDkzMnBoZ2IyYTh1ZGZodGtuLmFwcHMuZ29vZ2xldXNlcmNvbnRlbnQuY29tIiwic3ViIjoiMTA4MDQ0Mjc2NDQ2NzkyNDUwODk0IiwiaGQiOiJhdmlhYmlyZC5jb20iLCJlbWFpbCI6ImFuc2h1bEBhdmlhYmlyZC5jb20iLCJlbWFpbF92ZXJpZmllZCI6dHJ1ZSwiYXRfaGFzaCI6ImlabDJ0S2JZZngwNjVtVGpQcEowT0EiLCJpYXQiOjE1NTkxNTQyNDQsImV4cCI6MTU1OTE1Nzg0NH0”)

This function return error, while it is successfully encoded on online platform like https://www.base64decode.org/