Json Regex to Capture everything inside the brackets only
SendAction 2018-10-18T20:04:01.000000 { "EventDate": "2018-10-18T20:04:01.8278435", "HeaderVersion": "1.0.0.0", "Details": [ { "ApplicationGuid": "3e8eb057-59da-4bfb-9d6c-a533a8f9bd86", "Discount": 0.0, "EventType": "ViewDetails", "ItemID": "793", "ProductID": "737", "ProductName": "Land - Large Roads", "ProductPrice": 19.95, "Promo": "", "Quantity": 0, "TransAmount": 0 } ], "UserID": "0" }