embed = getattr(field_info, "embed", None)
        field_alias_omitted = len(required_params) == 1 and not embed
        if field_alias_omitted:
            received_body = {field.alias: received_body}

        for field in required_params:
            loc: Tuple[str, ...]
            if field_alias_omitted:
                loc = ("body",)
            else:
                loc = ("body", field.alias)