{
  "name": "Change",
  "trackChanges": false,
  "properties": {
    "id": {
      "type": "string",
      "id": true
    },
    "rev": {
      "type": "string"
    },
    "prev": {
      "type": "string"
    },
    "checkpoint": {
      "type": "number"
    },
    "modelName": {
      "type": "string"
    },
    "modelId": {
      "type": "string"
    }
  }
}