code: def ToJson(self):
          
          jsn = {
              'name': self.name,
              'symbol': self.symbol,
              'decimals': self.decimals,
              'script_hash': self.ScriptHash.To0xString(),
              'contract_address': self.Address
          }
          return jsn
docs: Convert object members to a dictionary that can be parsed as JSON.
  
          Returns:
               dict: