WEBVTTcr00:00:00.000 --> 00:00:01.000{"id":"cr"}

lf
00:00:00.000 --> 00:00:01.000
{"id":"lf"}

crlf
00:00:00.000 --> 00:00:01.000
{"id":"crlf"}
lfcr00:00:00.000 --> 00:00:01.000
{"id":"lfcr"}