Not getting access_token in correct format

[viveki2it]

As i am using the get_user_info_from_cookie(cookies) to get fb cookies. But i am not getting the correct format. Please check below format.

"{"algorithm"=>"HMAC-SHA256", "code"=>"AQDgbzpa5ix3qFFa-r8CbB4ZoDAwxmrDmpoNV0GXFqzFAtvauUzmV7SPumLZYAPxv5R-CaDFalasmhurR_TyvbHsXfWE3-eT9gh8mA5tv5Dxar-ANEjXCOKHiBDeD4GIG7Sv6lSnJcoTo_QSA306YydjeD8Zzki7n1SJH9cH8Z4bzD1K-fOp2SfjCXQrDjHe7UdajfGGb-CQzM0i82FkyLYngWG1zLqFvzTqr923UBd8aLotDh65DkEPvEZvQw8EX-rPoRhpW9X2PPDDE2YTd0HfgAtRaiKx5ZMD4oItAcJl0hyYAAOyYoCXfWqHO4gw4jfdDHTfE0keFRwa6jW6Li1zLeBgJNr8YWlGb0_ZKJEXY5IuMnxT7dJUeFtb5dudUMs", "issued_at"=>1491246958, "user_id"=>"292994204462679", "{\"access_token\":\"EAAHJpyLyRh0BAGoy6dOy4QmaG7vMTpU9Oto1GUkKyZAjSXVvxQzdoBeejzHOg8kEf6D6hnFhPllNnAU6tjRR46HJXzubBvlw8ZAbv1vCaBnLUvPUc9iYyXHLRXfzaaSGn09ZC5AvDgWwUZCraFZAv2XIAkTJytXBUgAfbqcZBO103juFLvZAKr1i0HIX6FXIh4ZD\",\"token_type\":\"bearer\",\"expires_in\":6241}"=>nil}"

Please help me about this issue. Thanks in advance.