Since you are a a newbie rank here in btt you can't apply for signature campaign
You need to read the rules because you are a newbie. I'm not pretty sure if there are bounty campaigns that doesn't accept newbie ranks but you can give it a try.
There are several campaigns like translation, social media, youtube videos, articles, etc.
Good luck
there are some bounty campaign allow newbie to participate signature campaign, like this threat on Beginners & Help You need to read the rules because you are a newbie. I'm not pretty sure if there are bounty campaigns that doesn't accept newbie ranks but you can give it a try.
There are several campaigns like translation, social media, youtube videos, articles, etc.
Good luck
link: https://bitcointalk.org/index.php?topic=3051837.0
but it's hard to find good project that allow newbie to join signature.