true if a subscription was successfully cancelled, or false if no subscription existed with the given ID.
// Result{"jsonrpc":"2.0","id":1,"result":true}
wscat-cwss:///testnet.berachain.validationcloud.io/v1/wss/<YOUR_API_KEY_HERE># wait for connection# example request{"jsonrpc":"2.0","id":1,"method":"eth_subscribe","params":["newHeads"]}# example result{"jsonrpc":"2.0","result":"0x4327e562d202d98983a2ee341409f09e","id":1}## subscription data{"id":1,"jsonrpc":"2.0","method":"eth_unsubscribe","params": ["0x4327e562d202d98983a2ee341409f09e"]}{"jsonrpc":"2.0","result":true,"id":1}