Request body sample: {"jsonrpc":"2.0", "method": "eth_getStorageAt", "params": ["0x295a70b2de5e3953354a6a8344e616ed314d7251", "0x0", "latest"], "id": 1}
OK
const response = await fetch('eth_getTransactionCount', { method: 'POST', headers: { "Content-Type": "application/json" }, body: JSON.stringify({}), }); const data = await response.json();
{ "id": 0, "jsonrpc": "text", "result": "text" }