Bhagavatapurana 9.16.31

9.16.31

yo vai hariścandramakhe vikrītaḥ puruṣaḥ paśuḥ /
stutvā devān prajeśādīn mumuce pāśabandhanāt //

31. It is that Sunassepa who was purchased as a substitute for a sacrificial animal in the sacrifice of Harischandra and who was, by praying to the gods and to Prajapatis (Varuna) and others, freed from the bonds.