parentID nests it under an existing folder in the same
divisionID may only be set on root folders. retentionDays is clamped to the
Authorization: Bearer ********************{
"containerID": 0,
"parentID": null,
"divisionID": null,
"folderName": "string",
"retentionDays": null
}{
"folderID": null,
"containerID": null,
"containerName": "string",
"parentID": null,
"divisionID": null,
"folderName": "string",
"retentionDays": null,
"folderKey": "string",
"keyExpiration": null,
"active": true,
"created": "2019-08-24T14:15:22.123Z",
"modified": null
}