{
  "properties": {
    "counter": {
      "asCell": true,
      "type": "number"
    },
    "events": {
      "asStream": true,
      "type": "string"
    },
    "maybeCell": {
      "asCell": true,
      "type": "string"
    },
    "user": {
      "asCell": true,
      "properties": {
        "age": {
          "type": "number"
        },
        "name": {
          "type": "string"
        }
      },
      "required": [
        "age",
        "name"
      ],
      "type": "object"
    }
  },
  "required": [
    "counter",
    "events",
    "user"
  ],
  "type": "object"
}