message_id: transformations1cXrbFVKLG5xXj0e8SFWR5quIdQ
exchange_request_body: {"channel":"server","context":{"library":{"name":"unknown","version":"unknown"}},"event":"Viking","integrations":{},"messageId":"transformations1cXrbFVKLG5xXj0e8SFWR5quIdQ","projectId":"fRt67ZWXB9i416So6qvEQ6","properties":{"landing_site":"Ares Vallis","year":1996},"receivedAt":"2020-05-28T17:10:48.812Z","sentAt":null,"timestamp":"2020-05-28T17:10:48.812Z","type":"track","userId":"Mars Exploration","version":2,"writeKey":"Q1DrhnAhfnoDpvmXEUz73gVcD4dhM2l2"}