curl --request POST \ --url https://eth-mainnet.g.alchemy.com/v2/KGDsbliGr6A4RMRx8EHO9Z5SQEt8uMFQ \ --header 'accept: application/json' \ --header 'content-type: application/json' \ --data ' { "id": 1, "jsonrpc": "2.0", "method": "eth_getBlockByNumber", "params": [ "finalized", false ] } '