{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "type": "object",
  "properties": {
    "$id": {
      "type": "array",
      "byteArray": true,
      "minItems": 32,
      "maxItems": 32,
      "contentMediaType": "application/x.dash.dpp.identifier"
    },
    "$type": {
      "type": "string"
    },
    "$action": {
      "type": "integer",
      "enum": [0, 1, 3]
    },
    "$dataContractId": {
      "type": "array",
      "byteArray": true,
      "minItems": 32,
      "maxItems": 32,
      "contentMediaType": "application/x.dash.dpp.identifier"
    }
  },
  "required": [
    "$id",
    "$type",
    "$action",
    "$dataContractId"
  ],
  "additionalProperties": false
}