Links are inline nodes to point the reader to an external website or another page.
{"object": "inline","type": "link","data": {"href": "https://www.google.fr"// Or"pageID": "..."},"nodes": [{"object": "text",...}]}
{"object": "inline","type": "math","isVoid": true,"data": {"formula": "a = b + 1"}}
Emojis are represented as inline void nodes with a code
data parameter. This code should be the unicode code (you can find it on emojipedia.org).
{"object": "inline","type": "emoji","isVoid": true,"data": {"code": "fe0f"}}