[
  {
    "type": "message",
    "user": "U001",
    "text": "Half-day today. Office closes at 13:00. See most of you at the Whaler.",
    "ts": "1777626000.898577",
    "reactions": [
      {
        "count": 4,
        "name": "beer",
        "users": [
          "U005",
          "U015",
          "U016",
          "U017"
        ]
      },
      {
        "count": 1,
        "name": "raised_hands",
        "users": [
          "U014"
        ]
      }
    ]
  },
  {
    "type": "message",
    "user": "U014",
    "text": "Reminder: Q1 expense reports older than 90 days will not be reimbursed without a Treasury exception. Last call.",
    "ts": "1777635000.815938"
  },
  {
    "type": "message",
    "user": "U014",
    "text": "Friendly reminder: T&E policy v 2026.1 is in effect. Treasury exception requests are taking 3 business days; please plan ahead.",
    "ts": "1777640400.336565"
  },
  {
    "type": "message",
    "user": "U010",
    "text": "Quarter-end personal-trading attestation goes out tomorrow morning. 72 hours to return. No exceptions.",
    "ts": "1777642200.592195"
  },
  {
    "type": "message",
    "user": "U015",
    "text": "Final reminder: legacy fileshare retires today at 18:00 ET. Anything not migrated will be archived to cold storage and pulled on request only.",
    "ts": "1777644000.982643",
    "reactions": [
      {
        "count": 2,
        "name": "eyes",
        "users": [
          "U005",
          "U006"
        ]
      }
    ]
  },
  {
    "type": "message",
    "user": "U015",
    "text": "See you there.",
    "ts": "1777647600.942835",
    "thread_ts": "1777626000.898577",
    "parent_user_id": "U001"
  }
]