EVENT_JSON:{"standard":"nep171","version":"1.0.0","event":"nft_transfer","data":[{"old_owner_id":"027fbed4ba8607c2dfa7bd062f908e96c086d9640e8acd94b1a7265a34bfd1f9","new_owner_id":"2da0a11a8c908060c0b05edead2a03ad2126c6bd1caf0d22a645769377563a49","token_ids":["4206"]}]}