curl --location --request GET 'https://slack.com/api/admin.conversations.ekm.listOriginalConnectedChannelInfo?token='{
    "channels": [
        {
            "id": "string",
            "internal_team_ids": "array",
            "original_connected_channel_id": "string",
            "original_connected_host_id": "string"
        }
    ],
    "ok": true
}