Bhagavatapurana 5.4.5

5.4.5

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viditānurāgam āpaura-prakṛti jana-pado rājā nābhir ātmajaṃ samaya-setu-rakṣāyām abhiṣicya brāhmaṇeṣūpanidhāya saha merudevyā viśālāyāṃ prasanna-nipuṇena tapasā samādhi-yogena nara-nārāyaṇākhyaṃ bhagavantaṃ vāsudevam upāsīnaḥ kālena tan-mahimānam avāpa //

5. When he saw that he (Rishabha) was the one object of love to all the citizens, courtiers and subjects, Nabhi, the father, installed him on the throne as the king for protection of the limits or boundaries of social customs and entrusted him to (to the care of) Brahmanas; and he went with his queen Merudevi to the Visala and (there) by means of his tapas characterised by (harmlessness) serenity and skilfulness (i.e. swiftness) and deep thought, worshipped Vasudeva who was in the form of Nara Narayana and in course of time attained to the state Jivanmukta.