bsky-social-app/lexicons/com/atproto/repo/defs.json

{
  "id": "com.atproto.repo.defs",
  "defs": {
    "commitMeta": {
      "type": "object",
      "required": [
        "cid",
        "rev"
      ],
      "properties": {
        "cid": {
          "type": "string",
          "format": "cid"
        },
        "rev": {
          "type": "string",
          "format": "tid"
        }
      }
    }
  },
  "$type": "com.atproto.lexicon.schema",
  "lexicon": 1
}