{  
  "message": "`<link>`",  
  "status": "success"  
}

  {  
    "status": "error",  
    "message": "Invalid app id provided"  
  }

  {  
    "status": "error",  
    "error": {  
      "message": "`<Facebook error response>`"  
    }  
  }

  {  
    "status": "error",  
    "error": {  
      "message": "couldn't fetch profile picture"  
    }  
  }

  {  
    "status": "error",  
    "message": "Authentication Failed"  
  }

  {  
    "status": "error",  
    "message": "Too Many Requests"  
  }