code: def format_response(self, response_data):
          
  
          _addr, length = self.response_info()
          if len(response_data) != length:
              raise HardwareError("Invalid response read length, should be the same as what response_info() returns", expected=length, actual=len(response_data))
  
          resp, flags, received_length, payload = struct.unpack("<HxBL4x20s", response_data)
          resp = resp & 0xFF
          if flags & (1 << 3):
              raise HardwareError("Could not grab external gate")
  
          if received_length > 20:
              raise HardwareError("Invalid received payload length > 20 bytes", received_length=received_length)
  
          payload = payload[:received_length]
  
          return {
              'status': resp,
              'payload': payload
          }
docs: Format an RPC response.