Fix Polymarket Order Placement Issue

hello, i'm building a social layer for polymarket but can't place an ordrer trhough https://docs.polymarket.com/developers/CLOB/orders/create-order i keep getting this error XHR
POST
https://clob.polymarket.com/order
[HTTP/3 400 175ms]

[CLOB Client] request error {"status":400,"statusText":"","data":{"error":"invalid signature"},"config":{"transitional":{"silentJSONParsing":true,"forcedJSONParsing":true,"clarifyTimeoutError":false},"adapter":["xhr","http","fetch"],"transformRequest":[null],"transformResponse":[null],"timeout":0,"xsrfCookieName":"XSRF-TOKEN","xsrfHeaderName":"X-XSRF-TOKEN","maxContentLength":-1,"maxBodyLength":-1,"env":{},"headers":{"Accept":"application/json, text/plain, */*","Content-Type":"application/json","POLY_ADDRESS":"0xf8e8029Fad3e6422F8c5a5303ea0fDc3e3244447","POLY_SIGNATURE":"oan17h1dwEvbUSsdZU6rfbSxrdt1i7LBf97mg15BacA=","POLY_TIMESTAMP":"1770984591","POLY_API_KEY":"4a3cba9b-84bf-47e3-67ae-6aa983c94073","POLY_PASSPHRASE":"71645be8257f1cea8b93161cfc25efff39ef7de01a6a65f55b7a7f0a1088f7b2","POLY_BUILDER_SIGNATURE":"ts3aAApP9PbD-VGCrgTM-F5eKKVdhpg5sZJi19npp1Y=","POLY_BUILDER_TIMESTAMP":"1770984592585","POLY_BUILDER_API_KEY":"019b602a-28e3-7eb2-a188-436d1b78cfbb","POLY_BUILDER_PASSPHRASE":"d8520505f034b44d49647601b7d7cb6ba6f361b991407b52450ec5d0603f2ec8"},"method":"post","url":"https://clob.polymarket.com/order","data":"{\"deferExec\":false,\"order\":{\"salt\":1584466762763,\"maker\":\"0x21C5e33133032164587d33D844956eE76e32Fa9f\",\"signer\":\"0xf8e8029Fad3e6422F8c5a5303ea0fDc3e3244447\",\"taker\":\"0x0000000000000000000000000000000000000000\",\"tokenId\":\"54533043819946592547517511176940999955633860128497669742211153063842200957669\",\"makerAmount\":\"270000\",\"takerAmount\":\"1000000\",\"side\":\"BUY\",\"expiration\":\"0\",\"nonce\":\"0\",\"feeRateBps\":\"0\",\"signatureType\":2,\"signature\":\"0x7f2056f64f32d0cf3510a5e285838fa050a0e7b674c84fbc34d9ed31af8dd65974d1840cfdf72d97eac9d3cd3d7b1742ee5cf61901ee340dede34f9670252d521c\"},\"owner\":\"4a3cba9b-84bf-47e3-67ae-6aa983c94073\",\"orderType\":\"GTC\",\"postOnly\":false}","params":{},"allowAbsoluteUrls":true}} , i use https://github.com/Polymarket/privy-safe-builder-example