[
    {
        "invocation_id": "string",
        "status": {
            "$oneOf": {
                "pending",
                "processing",
                "complete": {
                    "finished_at": "string"
                },
                "failed": {
                    "error": "string"
                },
                "cancelled"
            }
        },
        "source_id": "string",
        "metadata": {
            "database_name": "string",
            "collection_name": "string",
            "github": {
                "git_ref_identifier": {
                    "$oneOf": {
                        "branch": "string",
                        "sha": "string"
                    }
                }
            }
        },
        "created_at": "string"
    }
    ...
]