code: def parity_discover_next_available_nonce(
          web3: Web3,
          address: AddressHex,
  ) -> Nonce:
      
      next_nonce_encoded = web3.manager.request_blocking('parity_nextNonce', [address])
      return Nonce(int(next_nonce_encoded, 16))
docs: Returns the next available nonce for `address`.