From and after the passage of this act, any person arrested or held in custody, on or by virtue of any process issued on a judgment obtained in any civil action in this Commonwealth, may present his petition to the court, or any law judge thereof, out of which the process or execution issues, praying for his discharge from arrest. The petition shall set forth the nature of the proceedings out of which the process, upon which the petitioner is held, issued, the amount of the judgment therein obtained, a schedule of all the assets of the petitioner, a list of the creditors of the petitioner with the amounts of their claims; the addresses of the creditors, and the nature of the debts owing to them; a statement as to why the petitioner is unable to pay the judgment, and shall be verified by the affidavit of the petitioner.