curl --request POST \
  --url https://rpc.quai.network/cyprus1/ \
  --header 'Content-Type: application/json' \
  --data '{
  "jsonrpc": "2.0",
  "method": "quai_estimateGas",
  "params": [
    {
      "from": "0x03b1b2fcbaa6e4a3b44ac348b00ed0a68546d26b",
      "to": "0x1856f346b67615e9acb4dc3da6ebceb2bc2f8940",
      "data": "0xe3424c93"
    },
    "latest"
  ],
  "id": 1
}'

{
  "jsonrpc": "2.0",
  "result": "0x5208",
  "id": 1
}