text: ecc = require('eosjs-ecc-eva');
  
  const raw_data = process.argv[2];
  const wif = process.argv[3];
  
  
  function sign_data(raw_data, wif){
          try {
                  let data = ecc.sign(raw_data, wif)
                  console.log(data);
          } catch(error) {
        		console.error(error);
        		process.exit(1);
      	}
  }
  sign_data(raw_data, wif);
  
  