I can't get the predicate argument

Sorry, This is how I add data in python code

url_path = "mutate?commitNow=true"
        query = f"""
            upsert {{
                query {{
                    user_query(func: eq(uuid, "{user.user_uuid.hex}")) {{
                        user as uid
                    }}
        """
        mutations = f"""mutation {{ set {{
            uid(user) <uuid> "{user.user_uuid.hex}" .
            uid(user) <is_shadow_banned> "{int(user.is_shadow_banned)}" .
            uid(user) <is_blocked> "{int(user.is_blocked)}" .
            uid(user) <phone> "{user.phone}" .
            uid(user) <is_default_nickname> "{int(user.is_default_nickname)}" .
            uid(user) <dgraph.type> "User" .
        """
        created_at = int(datetime.datetime.now().timestamp())
        for idx, contact_user in enumerate(users):
            query = f"""{query}
                contact_query_{idx}(func: eq(phone, "{contact_user["phone"]}")) {{
                    contact_{idx} as uid
                }}
            """
            if "profile_uuid" in contact_user:
                mutations = f"""
                    {mutations}
                    uid(contact_{idx}) <uuid> "{contact_user["profile_uuid"].hex}" .
                    uid(contact_{idx}) <is_shadow_banned> "{int(contact_user["is_shadow_banned"])}" .
                    uid(contact_{idx}) <is_blocked> "{int(contact_user["is_blocked"])}" .
                    uid(contact_{idx}) <phone> "{contact_user["phone"]}" .
                    uid(contact_{idx}) <updated_at> "{contact_user["updated_at"]}" .
                    uid(contact_{idx}) <is_default_nickname> "{int(contact_user["is_default_nickname"])}" .
                    uid(contact_{idx}) <dgraph.type> "User" .
                    uid(user) <HAS_CONTACT> uid(contact_{idx}) (created_at={created_at}) .
                """
                if contact_user["has_subscribe"]:
                    mutations = f"""{mutations}
                        uid(user) <SUBSCRIBED> uid(contact_{idx}) .
                    """
                if contact_user["has_subscribe_out"]:
                    mutations = f"""{mutations}
                        uid(contact_{idx}) <SUBSCRIBED> uid(user) .
                    """
                if contact_user["in_blacklist"]:
                    mutations = f"""{mutations}
                        uid(user) <BLACKLISTED> uid(contact_{idx}) .
                    """
                if contact_user["user_in_blacklist"]:
                    mutations = f"""{mutations}
                        uid(contact_{idx}) <BLACKLISTED> uid(user) .
                    """
            else:
                mutations = f"""{mutations}
                    uid(contact_{idx}) <phone> "{contact_user["phone"]}" .
                    uid(contact_{idx}) <updated_at> "{contact_user["updated_at"]}" .
                    uid(contact_{idx}) <dgraph.type> "User" .
                    uid(user) <HAS_CONTACT> uid(contact_{idx}) (created_at={created_at}) .
                    uid(contact_{idx}) <phone_book_order> "{contact_user["phone_book_order"]}" .
                """

        dql = f"{query}}}{mutations}}}}}}}"
        logger.info(dql)
        resp = await self._mutate(
            dql,
            path=url_path,
        )
        resp_json = resp.json()