curl --request POST \
  --url https://api-nova.tech/v1/security/transaction-preview \
  --header 'Content-Type: application/json' \
  --data '
{
  "transaction": "<string>",
  "chain": "solana"
}
'

{
  "summary": "This transaction swaps SOL for USDC.",
  "actions": [
    {
      "type": "swap",
      "asset": "<string>",
      "amount": "<string>"
    }
  ],
  "warnings": [
    {
      "code": "LOW_LIQUIDITY",
      "message": "Liquidity is thin for this token."
    }
  ]
}