Unimplemented block:

{
  "@type": "tab",
  "blocks": {
    "ad4831e6-b255-4ba8-9b2d-a38e3e498a9e::cd-h-add": {
      "@type": "slate",
      "fixed": true,
      "plaintext": "How to add it",
      "readOnly": true,
      "slotId": "cd-h-add",
      "templateId": "resolveuid/f0000000000000000000000000000003",
      "value": [
        {
          "children": [
            {
              "text": "How to add it"
            }
          ],
          "type": "h2"
        }
      ],
      "templateInstanceId": "ad4831e6-b255-4ba8-9b2d-a38e3e498a9e",
      "nextSlotId": "add"
    },
    "ad4831e6-b255-4ba8-9b2d-a38e3e498a9e::cd-s-add": {
      "@type": "slate",
      "fixed": false,
      "plaintext": "",
      "slotId": "add",
      "templateId": "resolveuid/f0000000000000000000000000000003",
      "value": [
        {
          "children": [
            {
              "text": ""
            }
          ],
          "type": "p"
        }
      ],
      "templateInstanceId": "ad4831e6-b255-4ba8-9b2d-a38e3e498a9e"
    },
    "ad4831e6-b255-4ba8-9b2d-a38e3e498a9e::cd-h-config": {
      "@type": "slate",
      "fixed": true,
      "plaintext": "Configure it",
      "readOnly": true,
      "slotId": "cd-h-config",
      "templateId": "resolveuid/f0000000000000000000000000000003",
      "value": [
        {
          "children": [
            {
              "text": "Configure it"
            }
          ],
          "type": "h2"
        }
      ],
      "templateInstanceId": "ad4831e6-b255-4ba8-9b2d-a38e3e498a9e",
      "nextSlotId": "config"
    },
    "ad4831e6-b255-4ba8-9b2d-a38e3e498a9e::cd-s-config": {
      "@type": "slate",
      "fixed": false,
      "plaintext": "",
      "slotId": "config",
      "templateId": "resolveuid/f0000000000000000000000000000003",
      "value": [
        {
          "children": [
            {
              "text": ""
            }
          ],
          "type": "p"
        }
      ],
      "templateInstanceId": "ad4831e6-b255-4ba8-9b2d-a38e3e498a9e"
    },
    "ad4831e6-b255-4ba8-9b2d-a38e3e498a9e::cd-h-tips": {
      "@type": "slate",
      "fixed": true,
      "plaintext": "Tips",
      "readOnly": true,
      "slotId": "cd-h-tips",
      "templateId": "resolveuid/f0000000000000000000000000000003",
      "value": [
        {
          "children": [
            {
              "text": "Tips"
            }
          ],
          "type": "h2"
        }
      ],
      "templateInstanceId": "ad4831e6-b255-4ba8-9b2d-a38e3e498a9e",
      "nextSlotId": "tips"
    },
    "ad4831e6-b255-4ba8-9b2d-a38e3e498a9e::cd-s-tips": {
      "@type": "slate",
      "fixed": false,
      "plaintext": "",
      "slotId": "tips",
      "templateId": "resolveuid/f0000000000000000000000000000003",
      "value": [
        {
          "children": [
            {
              "text": ""
            }
          ],
          "type": "p"
        }
      ],
      "templateInstanceId": "ad4831e6-b255-4ba8-9b2d-a38e3e498a9e"
    },
    "ad4831e6-b255-4ba8-9b2d-a38e3e498a9e::cd-h-related": {
      "@type": "slate",
      "fixed": true,
      "plaintext": "Related pages",
      "readOnly": true,
      "slotId": "cd-h-related",
      "templateId": "resolveuid/f0000000000000000000000000000003",
      "value": [
        {
          "children": [
            {
              "text": "Related pages"
            }
          ],
          "type": "h2"
        }
      ],
      "templateInstanceId": "ad4831e6-b255-4ba8-9b2d-a38e3e498a9e",
      "nextSlotId": "related"
    },
    "ad4831e6-b255-4ba8-9b2d-a38e3e498a9e::cd-s-related": {
      "@type": "slate",
      "fixed": false,
      "plaintext": "",
      "slotId": "related",
      "templateId": "resolveuid/f0000000000000000000000000000003",
      "value": [
        {
          "children": [
            {
              "text": ""
            }
          ],
          "type": "p"
        }
      ],
      "templateInstanceId": "ad4831e6-b255-4ba8-9b2d-a38e3e498a9e"
    }
  },
  "blocks_layout": {
    "items": [
      "ad4831e6-b255-4ba8-9b2d-a38e3e498a9e::cd-h-add",
      "ad4831e6-b255-4ba8-9b2d-a38e3e498a9e::cd-s-add",
      "ad4831e6-b255-4ba8-9b2d-a38e3e498a9e::cd-h-config",
      "ad4831e6-b255-4ba8-9b2d-a38e3e498a9e::cd-s-config",
      "ad4831e6-b255-4ba8-9b2d-a38e3e498a9e::cd-h-tips",
      "ad4831e6-b255-4ba8-9b2d-a38e3e498a9e::cd-s-tips",
      "ad4831e6-b255-4ba8-9b2d-a38e3e498a9e::cd-h-related",
      "ad4831e6-b255-4ba8-9b2d-a38e3e498a9e::cd-s-related"
    ]
  },
  "fixed": true,
  "readOnly": true,
  "slotId": "cd-tab-howto",
  "templateId": "resolveuid/f0000000000000000000000000000003",
  "title": "How to",
  "templateInstanceId": "ad4831e6-b255-4ba8-9b2d-a38e3e498a9e",
  "@uid": "ad4831e6-b255-4ba8-9b2d-a38e3e498a9e::cd-tab-howto"
}

Unimplemented block:

{
  "@type": "tab",
  "blocks": {
    "ad4831e6-b255-4ba8-9b2d-a38e3e498a9e::cd-h-example": {
      "@type": "slate",
      "fixed": true,
      "plaintext": "Example",
      "readOnly": true,
      "slotId": "cd-h-example",
      "templateId": "resolveuid/f0000000000000000000000000000003",
      "value": [
        {
          "children": [
            {
              "text": "Example"
            }
          ],
          "type": "h2"
        }
      ],
      "templateInstanceId": "ad4831e6-b255-4ba8-9b2d-a38e3e498a9e",
      "nextSlotId": "example"
    },
    "ad4831e6-b255-4ba8-9b2d-a38e3e498a9e::cd-s-example": {
      "@type": "slate",
      "fixed": false,
      "plaintext": "",
      "slotId": "example",
      "templateId": "resolveuid/f0000000000000000000000000000003",
      "value": [
        {
          "children": [
            {
              "text": ""
            }
          ],
          "type": "p"
        }
      ],
      "templateInstanceId": "ad4831e6-b255-4ba8-9b2d-a38e3e498a9e"
    }
  },
  "blocks_layout": {
    "items": [
      "ad4831e6-b255-4ba8-9b2d-a38e3e498a9e::cd-h-example",
      "ad4831e6-b255-4ba8-9b2d-a38e3e498a9e::cd-s-example"
    ]
  },
  "fixed": true,
  "readOnly": true,
  "slotId": "cd-tab-example",
  "templateId": "resolveuid/f0000000000000000000000000000003",
  "title": "Example",
  "templateInstanceId": "ad4831e6-b255-4ba8-9b2d-a38e3e498a9e",
  "@uid": "ad4831e6-b255-4ba8-9b2d-a38e3e498a9e::cd-tab-example"
}