Return a Digital Link

curl --request GET \
  --url http://{defaultHost}/api/v2/platform/digital_links/{id} \
  --header 'Authorization: Bearer <token>'

{
  "data": {
    "id": "6",
    "type": "digital_link",
    "attributes": {
      "token": "vxRU3WSqXJ2J2WbjaC2kLHpg",
      "access_counter": 0
    },
    "relationships": {
      "digital": {
        "data": {
          "id": "6",
          "type": "digital"
        }
      },
      "line_item": {
        "data": {
          "id": "14",
          "type": "line_item"
        }
      }
    }
  }
}