Example response:

{
  "data": {
    "collections": [
      {
        "id": 1,
        "name": "My Collection",
        "description": "Description",
        "primary": false,
        "photo": "<collection_image>",
        "products": [
          1,
          2,
          3
        ]
      }
    ]
  },
  "meta": {
    "code": 200,
    "api_version": "1.0"
  }
}