post https://api.zan.top/node/v1/eth/mainnet/
'Creates a filter in a node to enable notifications for the arrival of new blocks.'
'You can use the eth_getFilterChanges method to check whether the state of the filter has changed.'
Limits：
The filter expires if it remains inactive (no queries) for 5 minutes.
Request Parameters
None
Response
The unique ID of the filter.
Result Fields
- FILTER ID: a hexadecimal string, which indicates the ID of the newly created filter.
Examples
Example Responses
{
"result": "0x9298b6a4fdd9d422c008bec71e0c938e",
"id": 1,
"jsonrpc": "2.0"
}