Literal Data Packet, new CTB, 2 header bytes + 29 bytes
Format: Binary data
Filename: "hello.txt"
Timestamp: 2019-02-26 14:30:07 UTC
Content: "Hello, world!\n"
00000000 cb CTB
00000001 1d length
00000002 62 format
00000003 09 filename_len
00000004 68 65 6c 6c 6f 2e 74 78 74 filename
0000000d 5c 75 4d date
00000010 6f
00000011 48 65 6c 6c 6f 2c 20 77 6f 72 6c 64 21 0a Hello, world!.