Preview represents the page structure and data to render a specific page preview.
Get page structure and data for a preview
Response Representation: PagePreviewDataResponse. It returns the page structure and data for a specific Preview by its 
previewId.' Fetched using the getPreview method in the frontend SDK.GET
https://PROJECT_NAME-COMPANY_NAME.frontastic.TLD/frontastic/preview
Returns the page structure and data for a specific preview by its 
previewId.Path parameters:
PROJECT_NAMEString  | Project Name  | 
COMPANY_NAMEString  | Company Name  | 
TLDString  | The top-level domain for the environment, which includes  .live, .io, and .rocks. For more information, see Hosts. | 
Query parameters:
locale | Locale Pattern:  ^([a-z]{2}_[A-Z]{2})|([a-z]{2})$ | 
previewIdString  | Preview ID  | 
Request headers:
AcceptString  | application/json | 
Commercetools-Frontend-Extension-VersionString  | 
Response:
200as
application/jsonRequest headers:
AcceptString  | application/json | 
Commercetools-Frontend-Extension-VersionString  | 
curl --get https://PROJECT_NAME-COMPANY_NAME.frontastic.TLD/frontastic/preview?locale={locale}&previewId={previewId} -i \
--header 'Accept: ${ACCEPT}'\
--header 'Commercetools-Frontend-Extension-Version: ${COMMERCETOOLS_FRONTEND_EXTENSION_VERSION}'{
  "previewId": "4c2dc7eo",
  "previewContext": {
    "customerName": "demo"
  },
  "page": {
    "pageId": "4e530bb93d40a78d11a26e2b04271rk3",
    "sections": {
      "footer": {
        "sectionId": "footer",
        "layoutElements": []
      },
      "head": {
        "sectionId": "head",
        "layoutElements": []
      },
      "main": {
        "sectionId": "main",
        "layoutElements": [
          {
            "layoutElementId": "bfe4d755-e641-4791-9c57-d1010eacec84",
            "configuration": {
              "size": 12,
              "mobile": true,
              "tablet": true,
              "desktop": true
            },
            "tastics": [
              {
                "tasticId": "48185ef7-2cd2-4593-ac82-1909d0f64731",
                "tasticType": "example/star-wars/character-search",
                "configuration": {
                  "mobile": true,
                  "tablet": true,
                  "desktop": true,
                  "data": null
                }
              }
            ]
          }
        ]
      }
    },
    "state": "default"
  },
  "pageFolder": {
    "pageFolderId": "4e830bb93d40a78011a26e2f04223532",
    "isDynamic": false,
    "pageFolderType": "landingpage",
    "configuration": {
      "path": "star-wars",
      "pathTranslations": []
    },
    "dataSourceConfigurations": [],
    "name": "star-wars",
    "ancestorIdsMaterializedPath": "/4e530bb9fd40a78011a26e7b041e8cc3",
    "depth": 1,
    "sort": 0
  },
  "data": {
    "dataSources": {
    }
  }
}