Method shh_addToGroup undefined ()
connect with WS protocol

Parameters

address - data

The identity address to add to a group

Request

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

Response

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