curl --request POST \
  --url https://beaconcha.in/api/v2/ethereum/queues \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "chain": "mainnet"
}
'

{
  "data": {
    "deposit_queue": {
      "churn": "<string>",
      "deposit_count": 1,
      "balance": "<string>",
      "estimated_processed_at": 1
    },
    "exit_queue": {
      "churn": "<string>",
      "count": 1,
      "balance": "<string>",
      "estimated_processed_at": 1
    },
    "withdrawal_sweep": {
      "last_swept_validator_index": 123,
      "estimated_sweep_delay": 1
    },
    "finality": "not_finalized"
  }
}