### 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_
params = []
    def _create_parameter(**kwargs):
        params.append(kwargs["Name"])
        return ssm_client.put_parameter(**kwargs)
    yield _create_parameter
    for param in params:
        ssm_client.delete_parameter(Name=param)
@pytest.fixture
def create_secret(secretsmanager_client):
    items = []
    def _create_parameter(**kwargs):
        create_response = secretsmanager_client.create_secret(**kwargs)
        items.append(create_response["ARN"])
        return create_response
    yield _create_parameter
    for item in items:
        secretsmanager_client.delete_secret(SecretId=item, ForceDeleteWithoutRecovery=True)
#
#
#
#
@pytest.fixture
def acm_request_certificate(aws_client_factory):