### Is there an existing issue for this?

- [X] I have searched the existing issues

### Current Behavior

When starting the transcription job in response job object is null:

<img width="1154" alt="Screenshot 2023-04-03 at 09 21 09" src="https://user-images.githubusercontent.com/454412/229447066-1671f811-da49-478d-bf24-252f30b17699.png">


### Expected Behavior

Response from the real AWS stack - job object is not null

<img width="1161" alt="Screenshot 2023-04-03 at 09 30 13" src="https://user-images.githubusercontent.com/454412/229441498-06125248-3b68-4679-8204-0163e8245db6.png">


### How are you starting LocalStack?

Custom (please describe below)

### Steps To Reproduce

Using test containers, reproducing project can be found here:

https://github.com/kkocel/local-stack-transcribe-repro

### Environment

```markdown
- OS: macOS
- LocalStack: latest
```


### Anything else?

_No response_
"""
        Download a Vosk language model to LocalStack cache directory. Do nothing if model is already downloaded.
        While can Vosk also download a model if not available locally, it saves it to a
        non-configurable location ~/.cache/vosk.
        """
        model_path = LANGUAGE_MODEL_DIR / name
        with _DL_LOCK:
            if (model_path).exists():
                return
            else:
                model_path.mkdir(parents=True)
            model_zip_path = str(model_path) + ".zip"
            LOG.debug("Downloading language model: %s", model_path.name)
            download(
                MODEL_PRE_URL + str(model_path.name) + ".zip", model_zip_path, verify_ssl=False
            )
            LOG.debug("Extracting language model: %s", model_path.name)
            with ZipFile(model_zip_path, "r") as model_ref:
                model_ref.extractall(model_path.parent)
            Path(model_zip_path).unlink()
    #
    
    #
    def _run_transcription_job(self, args: Tuple[TranscribeStore, str]):