For both wallet_mnemonic_1 and 2 the first derived key will be used
{
"port": 1789,
"vega_grpc_url": "tcp://darling.network:3007",
"binance_ws_url": "wss://stream.binance.com:443/ws",
"vega_market": "4e9081e20e9e81f3e747d42cb0c9b8826454df01899e6027a22e771e19cc79fc",
"binance_market": "BTCUSDT",
"trade_size": 4,
"wallet_mnemonic_1": "YOUR MNEMONIC FOR KEY 1",
"wallet_mnemonic_2": "YOUR MNEMONIC FOR KEY 1",
"submission_rate": 27
}