Improve signature payload to avoid app display issues

Author: Fabrice Bascoulergue

src/utils/transactions.ts

@@ -117,7 +117,7 @@ export const verifySignMsg = async (msg: SignMsg): Promise<boolean> => {
         // Same a used in the LumLedgerWallet > signMessage method
         const msgToSign = {
             'account_number': '0',
-            'chain_id': 'lum-network',
+            'chain_id': 'lum-signature-only',
             'fee': {},
             'memo': msg.msg,
             'msgs': [],

src/wallet/LumLedgerWallet.ts

@@ -79,7 +79,7 @@ export class LumLedgerWallet extends LumWallet {
         // that is only provided for basic message signature and verification
         const msgToSign = {
             'account_number': '0',
-            'chain_id': 'lum-network',
+            'chain_id': 'lum-signature-only',
             'fee': {},
             'memo': msg,
             'msgs': [],