...
Base 64 (for example expected on the console of Chirpstack v3):
U1dBTj1sdGU=
Example TTN:
After the configuration change has been transferred, the device restarts and tries to connect with the new connection type. If the device was able to connect, the change of the connection type has been successfully completed.
If the newly set connection is not established, all settings must be checked again and the process repeated.