eth_subscribe - Mantle
Summary
Starts a subscription to a specific event. Can be used with WSS connections only.It returns subscription ID. Use it with eth_unsubscribe to end the subscription.
Parameters
1. Subscription Name Enum
The event type you want to subscribe to. Possible values: 
newHeads, logs, newPendingTransactions, syncingExample: 
logs2. Subscription Filter JSON
When subscribing for logs use this parameter to filter for address and topics to filter notifications.
This parameter has no meaning for other subscription types.
Example: 
{ "address": "0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48", "topics": [    '0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef',    '0x00000000000000000000000028c6c06298d514db089934071355e5743bf21d60',    '0x000000000000000000000000d7406ce6e1c406a1812cbea34a0a8b84b4d455d3',]}