SnapLogic - Integration Nation

I have a HTTP GET snap to send requests to Zendesk API. But sporadically, it fails saying “REST API service endpoint returned error result: status code = 422, reason phrase = Unprocessable Entity, refer to the error_entity field in the error view doc...

I have a parent pipeline which invokes 4 distinct child pipelines one after another. Can I deactivate(or some sort of) first 3 and run only the last one. In the above pipeline, I want to run only the last one and deactivate first 3, Is that possible...

I am working with Zendesk API and one of its endpoint expect document structure as below: { "tickets": [ { "id": 1, "status": "solved" }, { "id": 2, "status": "pending" } ] } But snaplogic is sending data like this: [ { "tickets": [ ...