Deck_id is base64 encoded string:

Example:

deck_id: RGVjazo0NmYyYjllZC1hYmYzLTRiZDgtYTA1NC02OGRmYTRhNDIwM2U=

Decoded string: Deck:46f2b9ed-abf3-4bd8-a054-68dfa4a4203

Format: Deck:<UUID4>


