### 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_
key_ids = []
    def _replicate_key(region_from=None, **kwargs):
        region_to = kwargs.get("ReplicaRegion")
        key_ids.append((region_to, kwargs.get("KeyId")))
        return create_boto_client("kms", region_from).replicate_key(**kwargs)
    yield _replicate_key
    for region_to, key_id in key_ids:
        try:
            
            create_boto_client("kms", region_to).schedule_key_deletion(
                KeyId=key_id, PendingWindowInDays=7
            )
        except Exception as e:
            LOG.debug("error cleaning up KMS key %s: %s", key_id, e)
@pytest.fixture()
def kms_create_alias(kms_client, kms_create_key):