*$100*
I found this comment in the [spending proposal](https://testnet.joystream.org/#/proposals/382) for [Bounty 19](https://github.com/Joystream/community-repo/issues/161):
> Good to have a common schema for submissions. Signed data might be added in the later versions by importing the wallet.
Either importing a key like on [joystream.org](https://www.joystream.org/founding-members/form/) or using `polkadot-js` could work (see https://git.joystreamstats.live/Operations/process/issues/6).
$100
I found this comment in the spending proposal for Bounty 19:
Either importing a key like on joystream.org or using
polkadot-jscould work (see https://git.joystreamstats.live/Operations/process/issues/6).