EVENT_JSON:{"standard":"nep171","version":"1.0.0","event":"nft_transfer","data":[{"old_owner_id":"1ed2ea11420965a6f346b745d83055e4737504e7cdeeeb5ea85d3f8656a5efd1","new_owner_id":"2bccca7db233316149669709af844156875e0989c2a11bad03572749fdd6ad28","token_ids":["683"]}]}