Get bounded archive verification status

{  "activeObjectChecks": 0,  "checkpointCoverage": {    "activeArchiveCheckpoints": 0,    "archiveRootsWithState": 0,    "categoryConsistencyFailedCheckpoints": 0,    "categoryConsistencyNotEvaluatedCheckpoints": 0,    "categoryConsistencyPendingCheckpoints": 0,    "categoryConsistentArchiveCheckpoints": 0,    "completeArchiveCheckpoints": 0,    "durableVerifiedArchiveCheckpoints": 0,    "discoveryCompleteArchiveRoots": 0,    "expectedArchiveCheckpoints": 0,    "failedArchiveCheckpoints": 0,    "latestCheckpointLedger": 0,    "missingArchiveCheckpoints": 0,    "objectCompleteArchiveCheckpoints": 0,    "oldestCheckpointLedger": 0,    "partialArchiveCheckpoints": 0,    "totalArchiveCheckpoints": 0  },  "generatedAt": "2019-08-24T14:15:22Z",  "sourceCount": 0,  "sourceLimit": 256,  "sources": [    {      "activeObjectChecks": 0,      "archiveUrl": "http://example.com",      "archiveUrlIdentity": "string",      "currentLedger": 0,      "durableVerifiedCheckpointProofs": 0,      "latestCheckpointLedger": 0,      "latestDiscoveredCheckpointLedger": 0,      "mismatchCheckpointProofs": 0,      "notEvaluableCheckpointProofs": 0,      "objectCompleteCheckpointProofs": 0,      "observedAt": "2019-08-24T14:15:22Z",      "pendingCheckpointProofs": 0,      "rootObjectStatus": "pending",      "source": "backfill",      "stateStatus": "available",      "stateUrl": "http://example.com",      "totalCheckpointProofs": 0,      "verifiedCheckpointProofs": 0,      "scanCoverage": {        "checkedCheckpointPositions": 0,        "listingCoveredCheckpointPositions": 0,        "scannedCheckpointPositions": 0,        "status": "reconciling",        "updatedAt": "2019-08-24T14:15:22Z"      },      "failureSummary": {        "status": "current",        "computedAt": "2019-08-24T14:15:22Z",        "groups": [          {            "objectType": "history-archive-state",            "failureChannel": "archive_evidence",            "errorType": "string",            "errorMessage": "string",            "httpStatus": 100,            "count": 0,            "knownAffectedCheckpointCount": 0,            "unknownCheckpointFailureCount": 0          }        ],        "limit": 1,        "totalGroups": 0,        "remainingGroupCount": 0,        "remainingFailureCount": 0,        "remoteFailureCount": 0,        "workerIssueCount": 0,        "knownAffectedCheckpointCount": 0,        "unknownCheckpointFailureCount": 0      }    }  ],  "sourcesTruncated": true,  "transitionReconciliation": {    "oldestPendingAgeMs": 0,    "oldestPendingAt": "2019-08-24T14:15:22Z",    "pendingTerminalEffects": 0,    "status": "caught-up"  }}