$ fq -d bytes 'from_pem | asn1_ber | dv, torepr' test.pem
    |00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f|0123456789abcdef|.{}: (asn1_ber) 0x0-0xa2 (162)
0x00|30                                             |0               |  class: "universal" (0) 0x0-0x0.2 (0.2)
0x00|30                                             |0               |  form: "constructed" (1) 0x0.2-0x0.3 (0.1)
0x00|30                                             |0               |  tag: "sequence" (0x10) 0x0.3-0x1 (0.5)
0x00|   81 9f                                       | ..             |  length: 159 0x1-0x3 (2)
    |                                               |                |  constructed[0:2]: 0x3-0xa2 (159)
    |                                               |                |    [0]{}: object 0x3-0x12 (15)
0x00|         30                                    |   0            |      class: "universal" (0) 0x3-0x3.2 (0.2)
0x00|         30                                    |   0            |      form: "constructed" (1) 0x3.2-0x3.3 (0.1)
0x00|         30                                    |   0            |      tag: "sequence" (0x10) 0x3.3-0x4 (0.5)
0x00|            0d                                 |    .           |      length: 13 0x4-0x5 (1)
    |                                               |                |      constructed[0:2]: 0x5-0x12 (13)
    |                                               |                |        [0]{}: object 0x5-0x10 (11)
0x00|               06                              |     .          |          class: "universal" (0) 0x5-0x5.2 (0.2)
0x00|               06                              |     .          |          form: "primitive" (0) 0x5.2-0x5.3 (0.1)
0x00|               06                              |     .          |          tag: "object_identifier" (0x6) 0x5.3-0x6 (0.5)
0x00|                  09                           |      .         |          length: 9 0x6-0x7 (1)
    |                                               |                |          value[0:7]: 0x7-0x10 (9)
0x00|                     2a                        |       *        |            [0]: 1 oid 0x7-0x8 (1)
0x00|                     2a                        |       *        |            [1]: 2 oid 0x7-0x8 (1)
0x00|                        86 48                  |        .H      |            [2]: 840 oid 0x8-0xa (2)
0x00|                              86 f7 0d         |          ...   |            [3]: 113549 oid 0xa-0xd (3)
0x00|                                       01      |             .  |            [4]: 1 oid 0xd-0xe (1)
0x00|                                          01   |              . |            [5]: 1 oid 0xe-0xf (1)
0x00|                                             01|               .|            [6]: 1 oid 0xf-0x10 (1)
    |                                               |                |        [1]{}: object 0x10-0x12 (2)
0x10|05                                             |.               |          class: "universal" (0) 0x10-0x10.2 (0.2)
0x10|05                                             |.               |          form: "primitive" (0) 0x10.2-0x10.3 (0.1)
0x10|05                                             |.               |          tag: "null" (0x5) 0x10.3-0x11 (0.5)
0x10|   00                                          | .              |          length: "indefinite" (0) 0x11-0x12 (1)
    |                                               |                |          value: null
    |                                               |                |    [1]{}: object 0x12-0xa2 (144)
0x10|      03                                       |  .             |      class: "universal" (0) 0x12-0x12.2 (0.2)
0x10|      03                                       |  .             |      form: "primitive" (0) 0x12.2-0x12.3 (0.1)
0x10|      03                                       |  .             |      tag: "bit_string" (0x3) 0x12.3-0x13 (0.5)
0x10|         81 8d                                 |   ..           |      length: 141 0x13-0x15 (2)
0x10|               00                              |     .          |      unused_bits_count: 0 0x15-0x16 (1)
0x10|                  30 81 89 02 81 81 00 cc 61 f9|      0.......a.|      value: raw bits 0x16-0xa2 (140)
0x20|ef 5a d0 bc 21 de 5b 3c a6 9e e7 25 d2 c5 04 ed|.Z..!.[<...%....|
*   |until 0xa1.7 (end) (140)                       |                |
[
  [
    [
      1,
      2,
      840,
      113549,
      1,
      1,
      1
    ],
    null
  ],
  "0\ufffd\ufffd\u0002\ufffd\ufffd\u0000\ufffda\ufffd\ufffdZм!\ufffd[<\ufffd\ufffd\ufffd%\ufffd\ufffd\u0004\ufffd\ufffd\ufffdn\ufffd\ufffd'\ufffd\ufffd\ufffd#d\ufffd!\ufffd\ufffd\ufffdpER\ufffdѣ޲\ufffd\u001a\u000b\ufffdU\ufffd<\ufffd\ufffd\ufffd\u001a\ufffd\u00149+m\ufffd#F\ufffd|\ufffd\ufffdu\ufffd\ufffd+\ufffd'\ufffd\ufffd\u001f\\\ufffd\ufffd4\ufffd\u0011\u000e\ufffd\ufffdr\ufffd\ufffds\ufffd\ufffd8\ufffd\ufffd\ufffd\ufffd9\ufffd\ufffd\ufffd\ufffd4\u0011\ufffd\ufffd±\ufffd\ufffd\ufffd\ufffdQ;\u0005e\b\ufffd\b\ufffdCɛ\f\ufffd\",\ufffd\ufffd\ufffd\u0002\u0003\u0001\u0000\u0001"
]