curl --request POST \
  --url https://api.orderly.org/v2/internal_transfer \
  --header 'Content-Type: application/json' \
  --header 'orderly-account-id: <orderly-account-id>' \
  --header 'orderly-key: <orderly-key>' \
  --header 'orderly-signature: <orderly-signature>' \
  --header 'orderly-timestamp: <orderly-timestamp>' \
  --data '{
  "signature": "<string>",
  "userAddress": "<string>",
  "verifyingContract": "<string>",
  "message": {
    "receiver": "<string>",
    "token": "<string>",
    "amount": 123,
    "transferNonce": "<string>",
    "chainId": "1",
    "chainType": "SOL"
  }
}'

{
  "success": true,
  "timestamp": 1702989203989,
  "data": {
    "internal_transfer_request_id": 123
  }
}