curl --request POST \
  --url https://api.mainnet.abs.xyz/zks_estimateGasL1ToL2 \
  --header 'Content-Type: application/json' \
  --data '
{
  "jsonrpc": "2.0",
  "id": 2,
  "method": "zks_estimateGasL1ToL2",
  "params": [
    {
      "from": "0x1111111111111111111111111111111111111111",
      "to": "0x2222222222222222222222222222222222222222",
      "data": "0xffffffff"
    }
  ]
}
'

{
  "jsonrpc": "2.0",
  "result": "0x25f64db",
  "id": 2
}