curl --request GET \
  --url https://forgegames.org/api/item-instances \
  --header 'Authorization: Basic <encoded-value>'

[
  {
    "id": "<string>",
    "item": {
      "id": "<string>",
      "name": "<string>",
      "thumbnail": "<string>",
      "rollNumerator": 123,
      "createdAt": "<string>",
      "updatedAt": "<string>",
      "teamId": "<string>"
    },
    "itemInstanceSpace": {
      "id": "<string>",
      "itemInstanceId": "<string>",
      "teamUserSpaceId": "<string>",
      "spacePositionX": 123,
      "spacePositionY": 123,
      "teamId": "<string>",
      "createdAt": "<string>",
      "updatedAt": "<string>"
    },
    "classifiers": [
      {
        "id": "<string>",
        "name": "<string>",
        "classifierOption": {
          "id": "<string>",
          "name": "<string>"
        }
      }
    ],
    "attributes": [
      {
        "id": "<string>",
        "attributeId": "<string>",
        "name": "<string>",
        "value": 123,
        "min": 123,
        "max": 123
      }
    ]
  }
]