def METHOD_NAME() -> Tuple[MessageDb, PostDb]:
    message = MessageDb(
        item_hash="1234",
        sender="0xdeadbeef",
        type="POST",
        chain="ETH",
        signature=None,
        item_type="storage",
        item_content=None,
        content={"content": {"tags": ["original", "mainnet"], "swap": "this"}},
        time=dt.datetime(2023, 5, 1, tzinfo=dt.timezone.utc),
        channel=None,
        size=254,
    )
    post = PostDb(
        item_hash=message.item_hash,
        owner=message.sender,
        type=None,
        ref="custom-ref",
        amends=None,
        channel=None,
        content=message.content["content"],
        creation_datetime=message.time,
        latest_amend=None,
    )
    return message, post