curl --request POST \
  --url https://api.example.com/v1/crm/tickets/{ticketId}/merge \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "ticketIds": [
    "3c90c3cc-0d44-4b50-8888-8dd25736052a"
  ]
}
'

{
  "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "name": "<string>",
  "createdAt": "<string>",
  "createdBy": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "updatedAt": "<string>",
  "updatedBy": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "ticketNumber": 123,
  "shortTicketNumber": "<string>",
  "assignedTo": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "categoryId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "mergedIntoTicketId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "isPrivate": false,
  "mergedTickets": [
    {
      "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "ticketNumber": 123,
      "shortTicketNumber": "<string>"
    }
  ]
}