Fetch assignable

Example response

{
  "id": 821065,
  "description": "Big pool in a small backyard.",
  "guid": "d9d0de8f-32cc-4c0b-8af1-648ce039e3f6",
  "name": "PR001: Example Project",
  "created_at": "2025-01-22T06:00:30Z",
  "updated_at": "2025-01-22T06:13:40Z",
  "type": "Project",
  "starts_at": "2025-01-27",
  "ends_at": "2025-05-29",
  "project_code": "PR001",
  "secureurl": "https://smartsheet.com/some/path",
  "secureurl_expiration": "3000-01-01T00:00:00Z",
  "project_state_id": 8544040,
  "thumbnail": "https://10kftprojectimages.s3.amazonaws.com/a62ffd30-316f-4cb6-9c7f-eca45d07a35d/499af1a7-bc6b-446f-8535-4472e6159246.png",
  "owner_id": 11223344,
  "client": "Your Client"
}