curl --request GET \
  --url https://api.getmaito.com/v1/newsletter/issues/by-slug/{issueSlug} \
  --header 'Authorization: Bearer <token>'

{
  "data": {
    "id": "<string>",
    "workspaceId": "<string>",
    "accountSetId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "subject": "<string>",
    "createdBy": "<string>",
    "createdAt": "<string>",
    "updatedAt": "<string>",
    "slug": "<string>",
    "previewText": "<string>",
    "thumbnailUrl": "<string>",
    "contentHtml": "<string>",
    "contentJson": "<unknown>",
    "scheduledFor": "2023-11-07T05:31:56Z",
    "audience": "<unknown>",
    "isPublic": true,
    "category": {
      "id": "<string>",
      "workspaceId": "<string>",
      "accountSetId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "name": "<string>",
      "slug": "<string>",
      "createdAt": "<string>",
      "updatedAt": "<string>"
    },
    "categories": [
      {
        "id": "<string>",
        "workspaceId": "<string>",
        "accountSetId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
        "name": "<string>",
        "slug": "<string>",
        "createdAt": "<string>",
        "updatedAt": "<string>"
      }
    ],
    "stats": {
      "newSubscriberCount": 1,
      "subscriberCountTargeted": 1,
      "sentCount": 1,
      "deliveredCount": 1,
      "openedCount": 1,
      "clickedCount": 1,
      "bouncedCount": 1,
      "complainedCount": 1,
      "failedCount": 1
    },
    "sentAt": "<string>"
  }
}