curl --request POST \
  --url https://your-instance.example.com/api/organizations/transfer/preview \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "userId": "5f7b1c2e8a1d4e0012c3b4a6",
  "targetOrganizationId": "5f7b1c2e8a1d4e0012c3b401"
}
'

{
  "contacts": 1240,
  "conversations": 3580,
  "assigneeConversations": 412,
  "automations": 7,
  "workflows": 3,
  "webchatConfigurations": 2,
  "acquiredItems": 18,
  "emailAccounts": 1,
  "calendarConnections": 1,
  "calendarToolConfigurations": 1,
  "googleSheetsTokens": 0,
  "unfiredReminders": 22,
  "promptCount": 15,
  "voicePhoneNumbers": 2,
  "automationKeys": 4
}