Sparkpool Grin withdraw to Niffler

[Paouky]

Download grin-wallet and enter grin-wallet receive -i $PATH/file.json to receive a json transaction file.

Then, have a look at this thread so you can return them valid a json file.

How to convert slatepack response to old response file?

I received a .json file from Sparkpool and using grin-wallet v4.0.0 receive to process this file, and it output a slatepack file. But Sparkpool may require the old format response file. How can I get the old format response file using grin-wallet? Thanks!