Ledger -- ethsign: failed to sign tx

When trying to sign transaction with a ledger hardware wallet, I am prompted on the device to accept & send the transaction as expected.

However, I receive an error:

```
ethsign tx --sig --from --to --gas-price 2000000000 --prio-fee 1000000000 --data --gas-limit 1500000 --nonce 16 --value 0x0 --chain-id 1
Waiting for hardware wallet confirmation...
ethsign: failed to sign tx
```

---

I have tried setting environment variables which does not seem to fix the error. I believe the ledger and command is working since I'm getting prompted on the device to sign the transaction. It doesnt seem like `ethsign` is handling the response correctly? The command works for addresses saved to the keystore