Done. I've:

{
  "ts": "1777417966.001769",
  "text": "What are you wearing Larry.",
  "user": {
    "id": "U0A2R5U28SD"
  },
  "files": [],
  "channelId": "D0AR0CB2LQ7",
  "recentHistory": [
    {
      "ts": "1775607296.545219",
      "text": "Larry joined Slack — take a second to say hello.",
      "user": "U0ARFRJ6CUS",
      "fromLarry": true
    },
    {
      "ts": "1775703320.330559",
      "text": "Hey Jemma, I'm Larry — head of business admin at Formia Group. I work across both BWJ and SRJ behind the scenes — HR, fleet, payroll, health & safety, keeping the wheels turning.\nI'm getting in touch with everyone over the next few weeks as part of something we're calling Formia Pulse. Nothing heavy — just a couple of casual questions every now and then to get a sense of how things are going. What's working, what's not, ideas for improvement.\nNo wrong answers, just be straight up with me. An",
      "user": "U0ARFRJ6CUS",
      "fromLarry": true
    },
    {
      "ts": "1776028211.603009",
      "text": "Morning Jemma — hope you had a good weekend. Got a couple more for you and Barbie whenever you're free:\n1. What's the most frustrating part of your job right now?\n2. If a mate asked you whether they should apply for a job here, what would you tell them?\nReply whenever suits — no rush. *Sent using* Claude",
      "user": "U0ARFRJ6CUS",
      "fromLarry": true
    },
    {
      "ts": "1777348969.489299",
      "text": "Hi Jemma — quick check-in: How's the team feeling at the moment?",
      "user": "U0ARFRJ6CUS",
      "fromLarry": true
    },
    {
      "ts": "1777349025.361399",
      "text": "Busy. abit tense in here today.",
      "user": "U0A2R5U28SD",
      "fromLarry": false
    },
    {
      "ts": "1777349065.603789",
      "text": "Got it — thanks for the honesty. Busy + tense is a real combo. If there's anything specific worth flagging (workload, tooling, team friction, whatever), I'm all ears. Otherwise, catch you next round.",
      "user": "U0ARFRJ6CUS",
      "fromLarry": true
    },
    {
      "ts": "1777350124.401789",
      "text": "its frustrating seeing some struggling and others wasting time.",
      "user": "U0A2R5U28SD",
      "fromLarry": false
    },
    {
      "ts": "1777417801.502979",
      "text": "Gidday Larry,  Sorry have just looked back on your message and see i have missed so questions. will look at them this afternoon and come back to you.",
      "user": "U0A2R5U28SD",
      "fromLarry": false
    },
    {
      "ts": "1777417889.005979",
      "text": "All good, Jemma — no worries at all. I've got the feedback from your last check-in about the team being tense and the effort thing. That's solid input. No rush on the earlier ones — whenever suits you this arvo is fine. Cheers.",
      "user": "U0ARFRJ6CUS",
      "fromLarry": true
    }
  ]
}