View Collection Hierarchy

curl --request GET \
  --url https://api.storytell.ai/v1/users/self/collection-tree

{
  "code": "<string>",
  "data": [
    {
      "children": [
        "<any>"
      ],
      "collection": {
        "collectionKind": "<string>",
        "description": "<string>",
        "etag": "<string>",
        "icon": "<string>",
        "id": [
          127
        ],
        "label": "<string>",
        "lifecycleState": "<string>",
        "organizationId": [
          127
        ],
        "path": [
          [
            127
          ]
        ],
        "tenantId": [
          127
        ],
        "version": 123
      }
    }
  ],
  "details": {
    "consumption": {
      "units": 123
    },
    "operation": {
      "duration": 123,
      "operationId": "<string>"
    }
  },
  "done": true,
  "eventKey": "<string>",
  "message": "<string>"
}