curl --request POST \
  --url https://demo-api.mobula.io/api/2/perp/payloads/create-order \
  --header 'Content-Type: application/json' \
  --data '
{
  "timestamp": 123,
  "signature": "<string>",
  "baseToken": "<string>",
  "quote": "<string>",
  "leverage": 123,
  "long": true,
  "reduceOnly": true,
  "collateralAmount": 123,
  "orderType": "market",
  "openPrice": 123,
  "tp": 123,
  "sl": 123,
  "amountRaw": 123,
  "maxSlippageP": 123,
  "chainIds": [
    "<string>"
  ],
  "dexes": [
    "gains"
  ],
  "marginMode": 123,
  "referrer": "<string>",
  "marketId": "<string>"
}
'

{
  "success": true,
  "data": {
    "action": "<string>",
    "dex": "<string>",
    "chainId": "<string>",
    "transport": "<string>",
    "payloadStr": "<string>",
    "marketId": "<string>"
  }
}