### 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_
actions = ensure_list(actions)
    resource = resource or "*"
    return {
        "Version": "2012-10-17",
        "Statement": [
            {
                
                "Sid": f"s{short_uid()}",
                "Effect": effect,
                "Action": actions,
                "Resource": resource,
            }
        ],
    }
@pytest.fixture
def create_policy_generated_document(create_policy):
    def _create_policy_with_doc(effect, actions, policy_name=None, resource=None):
        policy_name = policy_name or f"p-{short_uid()}"
        policy = create_policy_doc(effect, actions, resource=resource)
        response = create_policy(PolicyName=policy_name, PolicyDocument=json.dumps(policy))
        policy_arn = response["Policy"]["Arn"]
        return policy_arn
    return _create_policy_with_doc
@pytest.fixture
def create_role_with_policy(iam_client, sts_client, create_role, create_policy_generated_document):
    def _create_role_with_policy(effect, actions, assume_policy_doc, resource=None, attach=True):