{
  "accountId": "A1",
  "state": "123456",
  "list": [
    {
      "id": "msg1023",
      "threadId": "trd194",
      "from": [{"email": "alice@example.com"}],
      "subject": "Hello"
    },
    {
      "id": "msg223",
      "threadId": "trd114",
      "from": [{"email": "bob@example.com"}],
      "subject": "Re: Project"
    },
    {
      "id": "msg110",
      "threadId": "trd99",
      "from": [{"email": "carol@example.com"}],
      "subject": "Meeting"
    }
  ],
  "notFound": []
}