Method eth_getFilterChanges undefined ()
connect with JSON-RPC protocol

Parameters

data - hex string

Filter ID.

Request

curl --location --request POST 'https://cro.getblock.io/mainnet/' 
--header 'x-api-key: YOUR-API-KEY' 
--header 'Content-Type: application/json' 
--data-raw '{"jsonrpc": "2.0",
"method": "eth_getFilterChanges",
"params": ["0x7c31"],
"id": "getblock.io"}'

Response

{
    "error": {
        "code": -32000,
        "message": "filter 0x7c31 not found"
    },
    "id": "getblock.io",
    "jsonrpc": "2.0"
}