const response = await fetch('https://tomo.nownodes.io/protocolVersion', {
method: 'POST',
headers: {
"Content-Type": "application/json"
},
body: JSON.stringify({
"jsonrpc": "2.0",
"method": "eth_protocolVersion",
"params": [],
"id": 67
}),
});
const data = await response.json();