def METHOD_NAME(body_normalizer):
    data = {
        "key{}".format(i): "value{}".format(i) for i in range(MAX_DATABAG_BREADTH + 10)
    }
    curr = data
    for _ in range(MAX_DATABAG_DEPTH + 5):
        curr["nested"] = {}
        curr = curr["nested"]
    result = body_normalizer(data, max_request_body_size="always")
    assert result == data