EVENT_JSON:{"standard":"nep171","version":"1.0.0","event":"nft_transfer","data":[{"old_owner_id":"d34e3312bc9666739bd5297d3d1cbfa80045bf1a20dba9848320eda36745e141","new_owner_id":"a586b6f8174b047db54b72d81d5cdddac38962caefbdcba75e7df17c5d636147","token_ids":["6131"]}]}