curl --request POST \
  --url https://rpc.quai.network/cyprus1/ \
  --header 'Content-Type: application/json' \
  --data '{
  "jsonrpc": "2.0",
  "method": "quai_getTransactionCount",
  "params": [
    "0x0255b093f1c3c54d2d56af9909a9b8e6466f1926",
    "latest"
  ],
  "id": 1
}'

{
  "jsonrpc": "2.0",
  "result": "0x26",
  "id": 1
}