Get organization tree

curl --request GET \
  --url https://api.letsway.com/v1/organizations/{organizationId}/tree

{
  "name": "<string>",
  "segment": "<string>",
  "parentOrganizationId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "childOrganizations": [
    {
      "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "name": "<string>",
      "segment": "<string>",
      "childOrganizations": "<unknown>",
      "parentOrganizationId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "brandCount": 123,
      "userCount": 123,
      "userPermissions": [
        "<string>"
      ]
    }
  ]
}