code: def decode_message(cls, v: Union[str, bytes]) -> bytes:
      if isinstance(v, str):
          return b64decode(v)
      return v
  
file_path: dstack/src/dstack/_internal/server/schemas/runner.py
imports: from base64 import b64decode
  from typing import Dict, List, Optional, Union
  from pydantic import BaseModel, Field, validator
  from typing_extensions import Annotated
  from dstack._internal.core.models.repos.remote import RemoteRepoCreds
  from dstack._internal.core.models.runs import JobSpec, JobStatus, RunSpec
label_desc: Use image node_id 1 for calling the LogEvent obj's underlying member method code with example usage: obj.decode_message(cls, v) and returns: v, b64decode