private/data/ExplorerNavShowLibrary.json

{
  "RegKey": "Software\\Classes\\CLSID\\{031E4825-7B94-4dc3-B131-E946B44C8DD5}",
  "Enable": {
    "ValueData": 1,
    "ValueName": "System.IsPinnedToNameSpaceTree",
    "ValueType": "DWORD",
    "Operation": "New"
  },
  "Disable": {
    "ValueData": 0,
    "ValueName": "System.IsPinnedToNameSpaceTree",
    "ValueType": "DWORD",
    "Operation": "New"
  }
}