Method shh_newFilter undefined ()
connect with WS protocol

Parameters

filters - json object

filter object: { "to": "address" (string, optional) - Identity of the receiver. When present it will try to decrypt any incoming message if the client holds the private key to this identity. "topics": ["topic"] (array of string) - Array of topics which the incoming message’s topics should match. }

Request

wscat -c wss://optimism.getblock.io/YOUR-API-KEY/mainnet/ 
# wait for connection and send the request body 
{"jsonrpc": "2.0",
"method": "shh_newFilter",
"params": [null],
"id": "getblock.io"}

Response

{
    "result": "null",
    "id": "getblock.io",
    "status_code": 405,
    "message": "Method not allowed"
}