### 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_
return retry(_create_function, retries=3, sleep=4)
    yield _create_lambda_function
    for arn in lambda_arns:
        try:
            lambda_client.delete_function(FunctionName=arn)
        except Exception:
            LOG.debug(f"Unable to delete function {arn=} in cleanup")
@pytest.fixture
def create_lambda_function(aws_client, wait_until_lambda_ready, lambda_su_role):
    lambda_arns_and_clients = []
    log_groups = []
    lambda_client = aws_client.awslambda
    logs_client = aws_client.logs
    def _create_lambda_function(*args, **kwargs):
        client = kwargs.get("client") or lambda_client
        kwargs["client"] = client
        func_name = kwargs.get("func_name")
        assert func_name
        del kwargs["func_name"]
        if not kwargs.get("role"):
            kwargs["role"] = lambda_su_role
        def _create_function():
            resp = testutil.create_lambda_function(func_name, **kwargs)
            lambda_arns_and_clients.append((resp["CreateFunctionResponse"]["FunctionArn"], client))
            wait_until_lambda_ready(function_name=func_name, client=client)
            log_group_name = f"/aws/lambda/{func_name}"
            log_groups.append(log_group_name)
            return resp