{                                           "channel":"server","context":{"event_transformed":"true","library":{"name":"unknown","version":"unknown"},"transforms_beta":[{"action":"beta:transformed-key","field":"properties.back_camera"},{"action":"beta:transformed-key","field":"properties.front_camera"}]},"event":"Curiosity","integrations":{},"messageId":"transformations1hWS8YjkuVXQQeJ6EpdUNOodP0g","projectId":"gq4qwt6AqnrgqJR19MinCZ","properties":{"cameras":{"back":"ok","front":"ok"},"year":1996},"receivedAt":"2020-09-14T23:13:15.831Z","sentAt":null,"timestamp":"2020-09-14T23:13:15.831Z","type":"track","userId":"Mars Exploration","version":2,"writeKey":"L8xyh8Cv8N2Ikr3jIs3LlhFG5pyqbIAq"}