Verify AWS SNS signature with PEM certificate

DOMException: ASN.1 error: unexpected ASN.1 DER tag: expected OBJECT IDENTIFIER, got CONTEXT-SPECIFIC [0] (constructed) at DER byte 8
    at new DOMException (ext:deno_web/01_dom_exception.js:115:20)
    at new <anonymous> (ext:sb_core_main_js/js/errors.js:23:9)
    at Object.DOMExceptionDataError (ext:core/01_core.js:232:46)
    at buildCustomError (ext:core/01_core.js:245:36)
    at importKeyRSA (ext:deno_crypto/00_crypto.js:3425:10)
    at SubtleCrypto.importKey (ext:deno_crypto/00_crypto.js:985:16)

await crypto.subtle.importKey(
    "spki",
    binaryDer,  // where binaryDer is as derived here: https://developer.mozilla.org/en-US/docs/Web/API/SubtleCrypto/importKey#subjectpublickeyinfo_import (but with BEGIN CERTIFICATE and END CERTIFICATE)
    {
      name: "RSASSA-PKCS1-v1_5",
      hash: "SHA-1",
    },
    true,
    ["verify"],
  );