curl --request POST \
  --url https://api.equities.polymarket.com/v1/leverage \
  --header 'Content-Type: application/json' \
  --data '
{
  "op": {
    "type": "setLeverage",
    "args": {
      "iid": 123,
      "lev": 10
    }
  },
  "sig": "0x1234567890...",
  "salt": 123,
  "ts": 1767225600000
}
'

{
  "res": "ok",
  "er": "timeout"
}