{
  "input": {
    "type": "identify",
    "userId": "user-id",
    "traits": {
      "email": "anjdu9@segment.com",
      "firstName": "john",
      "lastName": "doe",
      "trait": true,
      "nested": {
        "object": {}
      }
    }
  },
  "output": {
    "apikey": "859e55635946cd5498f3e909b806e6ba-us2",
    "id": "4b38f6546c",
    "double_optin": false,
    "send_welcome": false,
    "update_existing": true,
    "replace_interests": false,
    "email": { "email": "anjdu9@segment.com" },
    "merge_vars": {
      "FNAME": "john",
      "LNAME": "doe",
      "USERID": "user-id",
      "trait": true,
      "id": "user-id"
    }
  }
}