Push interval: 1s

For index price, use SPOT symbol such as SPOT_ETH_USDC instead of PERP_ETH_USDC

{
    "id": "clientID7",
    "topic": "SPOT_ETH_USDC@indexprice",
    "event": "subscribe"
}

Parameters

NameTypeRequiredDescription
idstringYid generate by client
eventstringYsubscribe/unsubscribe
topicstringN{symbol}@indexprice