public void BurnAServiceTokenTest()
 {
     APIManager api    = new APIManager(NetworkType.Cashew, service_api_key, service_api_secret);
     var        result = api.BurnAServiceToken(contractId, new BurnAServiceToken_Body()
     {
         ownerAddress = Owner_wallet_Address,
         ownerSecret  = Owner_wallet_Secret,
         amount       = "1000"
     });
 }