``` def get_metadata(client, mint_key): metadata_account = get_metadata_account(mint_key) client_metadata_account = client.get_account_info(metadata_account) print(client_metadata_account) data = base64.b64decode(client_metadata_account['result']['value']['data'][0]) # data = base64.b64decode(client.get_account_info(metadata_account)['result']['value']['data'][0]) metadata = unpack_metadata_account(data) return metadata ``` ``` Output {'jsonrpc': '2.0', 'result': {'context': {'slot': 109953095}, 'value': None}, 'id': 2} ``` some time can get value some time value is None plz help me ~~
some time can get value some time value is None
plz help me ~~