Get auction metrics

GET /auction-metrics

curl -X 'GET' \
  'https://api.testnet.cspr.cloud/auction-metrics' \
  -H 'accept: application/json' \
  -H 'authorization: 55f79117-fc4d-4d60-9956-65423f39a06a'

{
  "data": {
    "current_era_id": 12137,
    "active_validator_number": 100,
    "total_bids_number": 256,
    "active_bids_number": 110,
    "total_active_era_stake": "17143148308665709822"
  }
}