code: async def get_key_metadata(wallet_handle: int,
                             verkey: str) -> str:
      
  
      logger = logging.getLogger(__name__)
      logger.debug("get_key_metadata: >>> wallet_handle: %r, verkey: %r",
                   wallet_handle,
                   verkey)
  
      if not hasattr(get_key_metadata, "cb"):
          logger.debug("get_key_metadata: Creating callback")
          get_key_metadata.cb = create_cb(CFUNCTYPE(None, c_int32, c_int32, c_char_p))
  
      c_wallet_handle = c_int32(wallet_handle)
      c_verkey = c_char_p(verkey.encode('utf-8'))
  
      metadata = await do_call('indy_get_key_metadata',
                               c_wallet_handle,
                               c_verkey,
                               get_key_metadata.cb)
  
      res = metadata.decode()
  
      logger.debug("get_key_metadata: <<< res: %r", res)
      return res
docs: Retrieves the meta information for the giving key in the wallet.
  
      :param wallet_handle: Wallet handle (created by open_wallet).
      :param verkey: The key (verkey, key id) to retrieve metadata.
      :return: metadata: The meta information stored with the key; Can be null if no metadata was saved for this key.