Get latest persisted FBAS splitting sets

{  "generatedAt": "2019-08-24T14:15:22Z",  "evidenceSelection": "latest_network_scan_fbas_proof",  "proofSetPersistence": "persisted",  "scanId": 1,  "scanTime": "2019-08-24T14:15:22Z",  "schemaVersion": 1,  "payloadBytes": 0,  "limits": {    "proofSetMembers": 0,    "proofSetsPerFamily": 0,    "symmetricTopTierDepth": 0,    "symmetricTopTierInnerSets": 0,    "topTierMembers": 0  },  "complete": true,  "setType": "splitting_sets",  "node": {    "splittingSets": {      "captureLimit": 0,      "capturedCount": 0,      "complete": true,      "memberLimit": 0,      "minSize": 0,      "sets": [        [          "string"        ]      ],      "totalCount": 0    }  },  "organization": {    "splittingSets": {      "captureLimit": 0,      "capturedCount": 0,      "complete": true,      "memberLimit": 0,      "minSize": 0,      "sets": [        [          "string"        ]      ],      "totalCount": 0    }  },  "country": {    "splittingSets": {      "captureLimit": 0,      "capturedCount": 0,      "complete": true,      "memberLimit": 0,      "minSize": 0,      "sets": [        [          "string"        ]      ],      "totalCount": 0    }  },  "isp": {    "splittingSets": {      "captureLimit": 0,      "capturedCount": 0,      "complete": true,      "memberLimit": 0,      "minSize": 0,      "sets": [        [          "string"        ]      ],      "totalCount": 0    }  }}