Get firm accuracy checks

{  "items": [    {      "id": "string",      "companyId": "string",      "group": "BILL",      "type": "TRANSACTION_DESCRIPTOR_MULTIPLE_VENDORS",      "status": "ACTIVE",      "createdAt": "string",      "updatedAt": "string",      "uniqueKey": "string",      "magnitude": 0    }  ],  "nextCursor": "string"}