curl --request POST \
--url https://api.gelato.digital/relays/v2/call-with-sync-fee \
--header 'Content-Type: application/json' \
--data '
{
"chainId": 123,
"target": "<string>",
"data": "<string>",
"feeToken": "<string>",
"gasLimit": "<string>",
"retries": 123
}
'