{
  "input": {
    "type": "alias",
    "timestamp": "2014",
    "previousId": "previous-id",
    "userId": "user-id",
    "context": { "ip": "0.0.0.0" }
  },
  "output": {
    "messages": [{
      "body": "{\"type\":\"alias\",\"timestamp\":\"2014-01-01T00:00:00.000Z\",\"previousId\":\"previous-id\",\"userId\":\"user-id\",\"context\":{\"ip\":\"0.0.0.0\"}}"
    }]
  }
}