YOU SAID:

I just signed up and I wanted to introduce myself

INTO JAPANESE

私はサインアップして、私は自分自身を紹介したかったです

BACK INTO ENGLISH

I signed up, but I wanted to introduce myself

INTO JAPANESE

私がサインアップし、私は自分自身を紹介したかったです

BACK INTO ENGLISH

I signed up, but I wanted to introduce myself