30 81 9F ;SEQUENCE (0x9f bytes = 159 bytes)
| 30 0D ;SEQUENCE (0x0d bytes = 13 bytes)
| | 06 09 ;OBJECT_IDENTIFIER (0x09 = 9 bytes)
| | 2A 86 48 86 ;Hex encoding of 1.2.840.113549.1.1
| | F7 0D 01 01 01
| | 05 00 ;NULL (0 bytes)
| 03 81 8D 00 ;BIT STRING (0x8d bytes = 141 bytes)
| | 30 81 89 ;SEQUENCE (0x89 bytes = 137 bytes)
| | | 02 81 81 …