post
https://api.testnet.octet.im/2.0/wallets//data/sign
Requests data signing using the key of the address in the wallet. After the request, it returns the uuid corresponding to the request. Currently supporting Ethereum, Kaia, Scon, Binance Smart Chain, Polygon, Jart, Wemix, Arbitrum, Avalanche, Kon, Kroma and Ksta platforms.