curl --request POST \
  --url http://localhost:5935/transferTokens \
  --header 'Content-Type: application/json' \
  --data '
{
  "to": "0x1234567890abcdef1234567890abcdef12345678",
  "amount": "1000000000000000000"
}
'

{
  "txHash": "0x...",
  "status": "success"
}