curl --request GET \
  --url https://prv.stake.biya.io/stake/buyback/rounds

{
  "rounds": [
    {
      "id": "<string>",
      "round_id": "<string>",
      "start_time": "<string>",
      "end_time": "<string>",
      "status": 123,
      "total_slots": 123,
      "booked_slots": 123,
      "min_amount": "<string>",
      "max_amount": "<string>",
      "total_collected": "<string>",
      "revenue_pool": "<string>",
      "burn_tx_hash": "<string>",
      "created_at": "<string>",
      "updated_at": "<string>"
    }
  ],
  "pagination": {
    "page": 123,
    "page_size": 123,
    "total": "<string>",
    "total_pages": 123,
    "has_prev": true,
    "has_next": true
  }
}