jm ð¶k¹²ÊÚF{ä8»ä'ÂӤ̫*ð8LI imported the wallet into Electron Cash like you suggested. Worked great - I can see all the sats I put on scale.cash but don't think they've been used.
https://whatsonchain.com/tx/e4998fafe7c4cc557ea81d5108f43b258ddae1a1b923f6940ddc1036000503c4