I have the same problems. The request I made (keys and such deleted):
wget "
https://userstream.twitter.com/2/user.json" --header
"Authorization: OAuth realm=""Twitter
API"",oauth_consumer_key="""",oauth_token="""",oauth_nonce="""",oauth_timestamp=""1307967420"",oauth_signature_method=""HMAC-
SHA1"",oauth_version=""1.0"",oauth_signature="""""
The result I got:
--2011-06-13 19:10:18--
https://userstream.twitter.com/2/user.json
Resolving userstream.twitter.com... 199.59.148.139
Connecting to
userstream.twitter.com|199.59.148.139|:443... connected.
HTTP request sent, awaiting response... 500 Internal Server Error
2011-06-13 19:10:18 ERROR 500: Internal Server Error.