I have LogoutRequest

<samlp:LogoutRequest Destination="https://dev-86794585.okta.com/app/dev-86794585_pestletestocta_1/exknv6827HO0sN5TU5d6/slo/saml" ID="_592b6a9c-962c-4f66-896f-306eb5fe01c6" IssueInstant="2021-05-21T07:21:19Z" Version="2.0" xmlns:saml="urn:oasis:names:tc:SAML:2.0:assertion" xmlns:samlp="urn:oasis:names:tc:SAML:2.0:protocol" ><saml:Issuer>https://localhost:3000/organizations/EpUYeUSmW6VAurkGcRzFSt37/saml/metadata</saml:Issuer><ds:Signature xmlns:ds="http://www.w3.org/2000/09/xmldsig*"><ds:SignedInfo><ds:CanonicalizationMethod Algorithm="http://www.w3.org/2001/10/xml-exc-c14n*" /><ds:SignatureMethod Algorithm="http://www.w3.org/2000/09/xmldsig*rsa-sha1" /><ds:Reference URI="*_592b6a9c-962c-4f66-896f-306eb5fe01c6"><ds:Transforms><ds:Transform Algorithm="http://www.w3.org/2000/09/xmldsig*enveloped-signature" /><ds:Transform Algorithm="http://www.w3.org/2001/10/xml-exc-c14n*"><ec:InclusiveNamespaces PrefixList="*default samlp saml ds xs xsi md" xmlns:ec="http://www.w3.org/2001/10/xml-exc-c14n*" /></ds:Transform></ds:Transforms><ds:DigestMethod Algorithm="http://www.w3.org/2000/09/xmldsig*sha1" /><ds:DigestValue>RJpJSUg2OtvIJ0fONGfXaG7QHhc=</ds:DigestValue></ds:Reference></ds:SignedInfo><ds:SignatureValue>awsommu0XoLQ60xsNUkW7xzbUqmiMhyR35EnTWqkhiijtsSZxvcACbnhueh6bbJFtE1/GEHM4C7fzHV0qTNzqL3TtEnKRF2ZPwqkX/jKeW2w4mqOTyokESowSZeSKsbccWLeNVRa68JhC/y1h75zjNKKa894UpNtAKNyMhUp4uQ=</ds:SignatureValue><ds:KeyInfo><ds:X509Data><ds:X509Certificate>MIICRjCCAa+gAwIBAgIBADANBgkqhkiG9w0BAQsFADBAMQswCQYDVQQGEwJ1czEPMA0GA1UECAwGUGVzdGxlMQ8wDQYDVQQKDAZQZXN0bGUxDzANBgNVBAMMBlBlc3RsZTAeFw0yMTA1MjAxNzQ1MzRaFw0zOTA4MDQxNzQ1MzRaMEAxCzAJBgNVBAYTAnVzMQ8wDQYDVQQIDAZQZXN0bGUxDzANBgNVBAoMBlBlc3RsZTEPMA0GA1UEAwwGUGVzdGxlMIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCq5XugiijrOFu2ZFhwcxH98Lmiu+E8JYujnkvaPOuayU5MQkQGYmoX2xVegh//FIna+EdOQl/tfkqaTNzowgVQjNHaVwpqBpZR9II/NCMav/vjF6rSIjyeTYQoIZcGIrCvmkbz8c6bl+e5cxO1b8vqtogySQv4AlXNbyax8HoVLwIDAQABo1AwTjAdBgNVHQ4EFgQUMnDTOY7Gr2rsBMD+3oIL1DbUD3cwHwYDVR0jBBgwFoAUMnDTOY7Gr2rsBMD+3oIL1DbUD3cwDAYDVR0TBAUwAwEB/zANBgkqhkiG9w0BAQsFAAOBgQAeY4YiHIsNNh+4KtHLFgzeWrSKLtzzebRRnWLL2any3tkVKeXxr0MkgpFDWZQQRNqpJMV34injnVjzsC+dGDvprNzQvGjih8RnXPkcYS5uDGixVAHCefMdTE6Z+g8nBd+wTgZaSNlwqrYvyKRUYBQzhQhr4D+Nvk7LneKdz4Oyug==</ds:X509Certificate></ds:X509Data></ds:KeyInfo></ds:Signature><saml:NameID Format="urn:oasis:names:tc:SAML:2.0:nameid-format:unspecified">test@test.pl</saml:NameID><samlp:SessionIndex>_099e9b88-af8b-41e3-85a7-da53c6087ff6</samlp:SessionIndex></samlp:LogoutRequest>

With this request i get Invalid Signature Error

I uploaded my test certificate to OKTA panel:

-----BEGIN CERTIFICATE-----

MIICRjCCAa+gAwIBAgIBADANBgkqhkiG9w0BAQsFADBAMQswCQYDVQQGEwJ1czEP

MA0GA1UECAwGUGVzdGxlMQ8wDQYDVQQKDAZQZXN0bGUxDzANBgNVBAMMBlBlc3Rs

ZTAeFw0yMTA1MjAxNzQ1MzRaFw0zOTA4MDQxNzQ1MzRaMEAxCzAJBgNVBAYTAnVz

MQ8wDQYDVQQIDAZQZXN0bGUxDzANBgNVBAoMBlBlc3RsZTEPMA0GA1UEAwwGUGVz

dGxlMIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCq5XugiijrOFu2ZFhwcxH9

8Lmiu+E8JYujnkvaPOuayU5MQkQGYmoX2xVegh//FIna+EdOQl/tfkqaTNzowgVQ

jNHaVwpqBpZR9II/NCMav/vjF6rSIjyeTYQoIZcGIrCvmkbz8c6bl+e5cxO1b8vq

togySQv4AlXNbyax8HoVLwIDAQABo1AwTjAdBgNVHQ4EFgQUMnDTOY7Gr2rsBMD+

3oIL1DbUD3cwHwYDVR0jBBgwFoAUMnDTOY7Gr2rsBMD+3oIL1DbUD3cwDAYDVR0T

BAUwAwEB/zANBgkqhkiG9w0BAQsFAAOBgQAeY4YiHIsNNh+4KtHLFgzeWrSKLtzz

ebRRnWLL2any3tkVKeXxr0MkgpFDWZQQRNqpJMV34injnVjzsC+dGDvprNzQvGji

h8RnXPkcYS5uDGixVAHCefMdTE6Z+g8nBd+wTgZaSNlwqrYvyKRUYBQzhQhr4D+N

vk7LneKdz4Oyug==

-----END CERTIFICATE-----

I cant figure out what im doing wrong. Why im getting invalid signature error ?