code: def admin_verify_key(self):
      return Ok(self.partition.root_verify_key)
  
imports: from typing import List
  from typing import Optional
  from result import Ok
  from result import Result
  from ...node.credentials import SyftSigningKey
  from ...node.credentials import SyftVerifyKey
  from ...serde.serializable import serializable
  from ...store.document_store import BaseStash
  from ...store.document_store import DocumentStore
  from ...store.document_store import PartitionKey
  from ...store.document_store import PartitionSettings
  from ...store.document_store import QueryKeys
  from ...store.document_store import UIDPartitionKey
  from ...types.uid import UID
  from ...util.telemetry import instrument
  from ..action.action_permissions import ActionObjectPermission
  from ..response import SyftSuccess
  from .user import User
  from .user_roles import ServiceRole
label_desc: Use image node_id 3 for calling the UserStash obj's underlying member method code with example usage: obj.admin_verify_key() and returns: Ok