hass-config/.storage/frontend.user_data_5219691e8ccc4d42bbb2586b1104bfb7

{
  "version": 1,
  "minor_version": 1,
  "key": "frontend.user_data_5219691e8ccc4d42bbb2586b1104bfb7",
  "data": {
    "language": {
      "language": "en",
      "number_format": "language",
      "time_format": "language"
    }
  }
}