EVENT_JSON:{"standard":"nep171","version":"1.0.0","event":"nft_transfer","data":[{"old_owner_id":"9f8ffd239b736e9cacbd7a59ba82c81045da62c813f6418bfd9a7cc0572bf81f","new_owner_id":"ub123.near","token_ids":["1:89544"]}]}