Are you trying to get the receipt data from the html that the receipt_url displays? What you have in your example is just the head of the html. If you want the contents of the receipt you’ll need to get it from the table of the body. 
Are you trying to get the receipt data from the html that the receipt_url displays? What you have in your example is just the head of the html. If you want the contents of the receipt you’ll need to get it from the table of the body.