{
    "$schema": "http://json-schema.org/draft-04/schema#",
    "title": "ActivityPub Like/Announce",
    "type": "object",
    "required": ["@context", "type", "id", "actor", "object"],
    "properties": {
      "@context": { "type": "string" },
      "type": { "type": "string", "enum": ["Like", "Announce"] },
      "id": { "type": "string" },
      "actor": { "type": "string" },
      "object": { "type": "string" }
    },
    "additionalProperties": true
  }