Signing Messages with near-cli

sign-with-near-cli.js

// set the network (if you want mainnet)
export NEAR_ENV=mainnet
// choose 1 or 2
// 1. NEAR wallet login
near login
// 2. LEDGER replace ACCOUNT_ID
// change useLedgerKey value if you are using custom ledger path
near repl --accountId="ACCOUNT_ID" --useLedgerKey="44'/397'/0'/0'/1'"

// REPL
// you should now see > in front of your commands, you are in repl, use ctrl-c twice to exit

// SIGNING A MESSAGE

// replace MESSAGE
// copy and paste into repl, hit enter
console.log('\n\nSignature:\n\n' + Buffer.from((await this.account.signTransaction('MESSAGE', []))[1].signature.data).toString('base64') + '\n\n')

// copy signature
//ctrl-c twice to exit