Active Asset Data

{
  "method": "subscribe",
  "subscription": {
    "type": "activeAssetData",
    "user": "0x742d35cc6634c0532925a3b844bc9e7595f0beb",
    "coin": "BTC"
  }
}

{
  "channel": "activeAssetData",
  "data": {
    "user": "0x742d35cc6634c0532925a3b844bc9e7595f0beb",
    "coin": "BTC",
    "leverage": 5
  }
}