Returns the most recently finalized block's header.
successful operation
const response = await fetch('https://dot-playbook.nownodes.io/blocks/head/header', { method: 'GET', headers: {}, }); const data = await response.json();
{ "parentHash": "text", "number": "text", "stateRoot": "text", "extrinsicRoot": "text", "digest": { "logs": [ { "type": "text", "index": "text", "value": [ "text" ] } ] } }