curl --request POST \
  --url https://rpc.quai.network/cyprus1/ \
  --header 'Content-Type: application/json' \
  --data '
{
  "jsonrpc": "2.0",
  "method": "quai_quaiToQi",
  "params": [
    "0x7530",
    "0xA98AC7"
  ],
  "id": 1
}
'

{
  "jsonrpc": "2.0",
  "result": "0x3f28cb71571c7",
  "id": 1
}