Protected deployment/build metadata for the Operations screen.

{  "ahead_by": 0,  "backend_image": "string",  "behind_by": 0,  "checked_at": "2019-08-24T14:15:22Z",  "compare_url": "string",  "deploy_time_matches_main": true,  "deployment_id": "string",  "error": "string",  "github_run_url": "string",  "is_latest_main": true,  "latest_main_sha": "string",  "main_ref": "string",  "main_sha_at_deploy": "string",  "main_status": "string",  "mode": "string",  "repository": "string",  "source_sha": "string",  "stale": true}