{
  "context": {},
  "event": {
    "datasetName": "MYDATASET",
    "eventType": "SyncTrigger",
    "region": "ap-northeast-1",
    "identityId": "MYID",
    "datasetRecords": {
      "key1": {
        "newValue": "v2",
        "oldValue": "v1",
        "op": "replace"
      }
    },
    "identityPoolId": "MYIDPOOLID",
    "version": 2
  }
}