List Sandbox Compute pools

{
  "success": true,
  "data": {
    "sandboxes": [
      {
        "sandbox_id": "bx-123abc",
        "name": "my-sandbox",
        "tier": "small",
        "status": "active",
        "models": [
          "rtdetr-v2-r50vd"
        ],
        "model_categories": [
          "object_detection"
        ],
        "region": "aws-us-east-1"
      }
    ],
    "page": 1,
    "page_size": 20,
    "total": 1
  }
}