Event Volume Milestone

{
  "op": "subscribe",
  "event": "event_volume_milestone",
  "timeframes": ["1h", "24h"],
  "milestone_amounts": [50000, 100000]
}

{
  "event": "event_volume_milestone",
  "timestamp": 1775913505260,
  "data": {
    "event_slug": "us-presidential-election-2028",
    "timeframe": "24h",
    "milestone_usd": 100000,
    "current_volume_usd": 103450.60,
    "fees": 1034.50,
    "txns": 287
  }
}