Done.

{
  "ts": "1778451301.600219",
  "text": "I will take care f it",
  "user": {
    "id": "U08T17B0MDH"
  },
  "files": [],
  "channelId": "D0AR9EASBT5",
  "thread_ts": "1778451184.881789",
  "recentHistory": [
    {
      "ts": "1778451184.881789",
      "text": "Can you add this to the Sellers Holiday calendar please Larry",
      "user": "U08T17B0MDH",
      "fromLarry": false
    },
    {
      "ts": "1778451269.223679",
      "text": "Sorry Mark — I don't have access to Google Calendar in my current toolset, so I can't add entries directly. You'll need to add Anna's leave (8–10 July) to the Sellers Holiday calendar manually, or ask Rohan to wire me up to Calendar.\n\nHappy to flag this as a gap for Rohan to sort if that'd be useful.",
      "user": "U0ARFRJ6CUS",
      "fromLarry": true
    }
  ]
}