{"USUBJID":"Subject 1","RFSTDTC":"2023-08-02","RFXSTDTC":"2023-08-02","RFXENDTC":"2023-08-03"}
{"USUBJID":"Subject 2","RFSTDTC":"2023-08-03","RFXSTDTC":"2023-08-03","RFXENDTC":"2023-08-04"}