{
  "lexicon": 1,
  "id": "space.polymodel.graph.listitem",
  "defs": {
    "main": {
      "type": "record",
      "key": "tid",
      "description": "Membership of a thing in a list (v1: thing only).",
      "record": {
        "type": "object",
        "properties": {
          "subject": { "type": "ref", "ref": "com.atproto.repo.strongRef" },
          "list": { "type": "string", "format": "at-uri" },
          "createdAt": { "type": "string", "format": "datetime" }
        },
        "required": ["subject", "list", "createdAt"]
      }
    }
  }
}