Content is represented on GitBook in JSON as a semantic document. This section will describe this format and how to manipulate it.
{"object": "document","nodes": [{"key": "1","object": "block","type": "paragraph","nodes": [{"object": "text","key": "2","ranges": [{"text": "Welcome to"},{"text": "GitBook!","marks": [{ "type": "bold" }]}]}]},{"key": "3","object": "block","type": "image","isVoid": true,"data": {"assetID": "xuizcyi34"}}]}