matrix-doc/event-schemas/examples/m.accepted_terms

{
  "$ref": "core/event.json",
  "type": "m.accepted_terms",
  "content": {
    "accepted": [
      "https://example.org/somewhere/terms-1.2-en.html",
      "https://example.org/somewhere/privacy-1.2-en.html"
    ]
  }
}