diff --git a/DBus-service.md b/DBus-service.md
index e45f727..e4d33a0 100644
--- a/DBus-service.md
+++ b/DBus-service.md
@@ -140,6 +140,13 @@ or, using Bash shell syntax:
 ```
 echo "ixZI93QgqmjNpM8V+E0="|sed 's/_/\//g' | base64 -d |xxd -p -c1|while read i; do printf "%d " $((16#${i})); done|sed 's/ /,/g'|sed 's/,$/\n/g'
 ```
+
+To reverse the process:
+
+```
+python3 -c 'import base64; print(base64.b64encode(bytearray([139,22,72,247,116,32,170,104,205,164,207,21,248,77])))'
+```
+
 In the examples above, attachments are identified by the first `array:string:` argument (`dbus-send` arguments must be in the correct order). The last argument can either be a single `string:RECIPIENT` (as in the examples above) or an `array:string:RECIPIENT1,RECIPIENT2,...` (for `dbus-send`, an array argument consists of a comma-separated list). 
 
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