async def METHOD_NAME(mocker):
    message_dict = {
        "chain": "TEZOS",
        "sender": "tz1VrPqrVdMFsgykWyhGH7SYcQ9avHTjPcdD",
        "type": "POST",
        "channel": "ALEPH-TEST",
        "signature": '{"signingType":"micheline","signature":"sigXD8iT5ivdawgPzE1AbtDwqqAjJhS5sHS1psyE74YjfiaQnxWZsATNjncdsuQw3b9xaK79krxtsC8uQoT5TcUXmo66aovT","publicKey":"edpkvapDnjnasrNcmUdMZXhQZwpX6viPyuGCq6nrP4W7ZJCm7EFTpS"}',
        "time": 1663944079.029,
        "item_type": "storage",
        "item_hash": "72b2722b95582419cfa71f631ff6c6afc56344dc6a4609e772877621813040b7",
    }
    connector = TezosConnector(
        session_factory=mocker.MagicMock(), chain_data_service=mocker.AsyncMock()
    )
    message = PendingMessageDb.from_message_dict(
        message_dict,
        reception_time=dt.datetime(2022, 1, 1),
        fetched=True,
    )
    assert await connector.verify_signature(message)