EVENT_JSON:{"standard":"nep171","version":"nft-1.0.0","event":"nft_transfer","data":[{"old_owner_id":"0342ef376319627379741fe69ea0ad7ef4cdcb19af86001dae4eb6967baa1e3c","new_owner_id":"0114befc86281e4518407230dab0176c854c1f8260ff786d9d09e6f3eecc54ad","token_ids":["349"]}]}