curl --request DELETE \
  --url https://api.perpetuals.polymarket.com/v1/account/proxy \
  --header 'Content-Type: application/json' \
  --data '
{
  "op": {
    "type": "deleteProxy",
    "args": {
      "proxy": "0x70997970C51812dc3A010C7d01b50e0d17dc79C8"
    }
  },
  "sig": "0x9a0b1c2d3e4f5a6b7c8d9e0f1a2b3c4d5e6f7a8b9c0d1e2f3a4b5c6d7e8f9a0b1c2d3e4f5a6b7c8d9e0f1a2b3c4d5e6f7a8b9c0d1e2f3a4b5c6d7e8f9a1c",
  "salt": 888888888,
  "ts": 1767000020000
}
'

{
  "status": "ok"
}