curl --request GET \
  --url https://api.hubapi.com/cms/v3/blogs/posts/{objectId}/revisions/{revisionId} \
  --header 'Authorization: Bearer <token>'

{
  "id": "<string>",
  "object": {
    "abTestId": "<string>",
    "archivedAt": 123,
    "archivedInDashboard": true,
    "attachedStylesheets": [
      {}
    ],
    "authorName": "<string>",
    "blogAuthorId": "<string>",
    "campaign": "<string>",
    "categoryId": 123,
    "contentGroupId": "<string>",
    "created": "2023-11-07T05:31:56Z",
    "createdById": "<string>",
    "currentlyPublished": true,
    "domain": "<string>",
    "dynamicPageDataSourceId": "<string>",
    "dynamicPageDataSourceType": 123,
    "dynamicPageHubDbTableId": "<string>",
    "enableDomainStylesheets": true,
    "enableGoogleAmpOutputOverride": true,
    "enableLayoutStylesheets": true,
    "featuredImage": "<string>",
    "featuredImageAltText": "<string>",
    "folderId": "<string>",
    "footerHtml": "<string>",
    "headHtml": "<string>",
    "htmlTitle": "<string>",
    "id": "<string>",
    "includeDefaultCustomCss": true,
    "layoutSections": {},
    "linkRelCanonicalUrl": "<string>",
    "mabExperimentId": "<string>",
    "metaDescription": "<string>",
    "name": "<string>",
    "pageExpiryDate": 123,
    "pageExpiryEnabled": true,
    "pageExpiryRedirectId": 123,
    "pageExpiryRedirectUrl": "<string>",
    "password": "<string>",
    "postBody": "<string>",
    "postSummary": "<string>",
    "publicAccessRules": [
      {}
    ],
    "publicAccessRulesEnabled": true,
    "publishDate": "2023-11-07T05:31:56Z",
    "publishImmediately": true,
    "rssBody": "<string>",
    "rssSummary": "<string>",
    "slug": "<string>",
    "state": "<string>",
    "tagIds": [
      123
    ],
    "themeSettingsValues": {},
    "translatedFromId": "<string>",
    "translations": {},
    "updated": "2023-11-07T05:31:56Z",
    "updatedById": "<string>",
    "url": "<string>",
    "useFeaturedImage": true,
    "widgetContainers": {},
    "widgets": {}
  },
  "updatedAt": "2023-11-07T05:31:56Z",
  "user": {
    "email": "<string>",
    "fullName": "<string>",
    "id": "<string>"
  }
}