curl --request POST \
  --url https://api.dev.monei.cc/api/v1/evm-exchange/token-to-native \
  --header 'Content-Type: application/json' \
  --header 'X-API-KEY: <api-key>' \
  --data '
{
  "amount": "0.1",
  "tokenIn": "0x6B175474E89094C44Da98b954EedeAC495271d0F",
  "chainId": 1
}
'

{
  "statusCode": 123,
  "message": "<string>",
  "data": {
    "txHash": "<string>"
  },
  "errors": {}
}