# Get signatures message binary format
| # | Field name | Type | Length in Bytes |
|---|---|---|---|
| 1 | Packet length (BigEndian) | Int | 4 |
| 2 | Magic Bytes | Bytes | 4 |
| 3 | Content ID (0x14) | Byte | 1 |
| 4 | Payload length | Int | 4 |
| 5 | Payload checksum | Bytes | 4 |
| 6 | Block IDs count (N) | Int | 4 |
| 7 | Block #1 ID | Bytes | 64 |
| ... | ... | ... | ... |
| 6 + N | Block #N ID | Bytes | 64 |