{
  "lexicon": 1,
  "id": "pub.leaflet.graph.subscription",
  "defs": {
    "main": {
      "type": "record",
      "key": "tid",
      "description": "Record declaring a subscription to a publication",
      "record": {
        "type": "object",
        "required": [
          "publication"
        ],
        "properties": {
          "publication": {
            "type": "string",
            "format": "at-uri"
          }
        }
      }
    }
  }
}