EVENT_JSON:{"standard":"nep171","version":"1.0.0","event":"nft_transfer","data":[{"old_owner_id":"7c4ec417bb32df00b3276d0c2a8c6c58d64eb8ea09576c1c0f0c35bfe737e1f9","new_owner_id":"c6d7b78e478fb0880da09672b779bb35e9d3845717a608c7154d08e592c966ed","token_ids":["117"]}]}