How do I decrypt stuff using THIS KIND of RSA Key?

“kty”:“RSA”,“e”:“AQAB”,“use”:“enc”,“n”:“nDVdDPY50YUCnpgmr3iQts9PXjY0OXj3y8aKHOF29ebgpkyCpqbFmN5uPo9GLVq5QS0zxnfkVz6SUsZyytF3Rm_z56pWvIlNiuOCH9q0eZ_uDvy3xJnAa7q5h6hsOEHEyI0Je-5WSUiF2c4oCuTJ_QN6IdG5VbCPEnHyR5qRkU_dy5HW6_7F6HIdToZNx0U-ZF5VLSneEQrhPxEc26KZ9aDDHGdQSqcrTpDdbGGS9OysSUCasYHHgYdzTShKImuTzK3Jaq07VWtQHqKkF0I0rft_fugTxDC7tcXxA9vfEE9uQ8BC48Ldu0ZqXwkQoXZEwvvlWT14eIolYg7La40rTQ”

This is what the HTML says as an RSA Key? I remember keys beeing like ----PUBLIC KEY------ or MIIJIB something like this, how do I encrypt using this stuff? Any website for this?

Sincerely