EVENT_JSON:{"standard":"nep171","version":"1.0.0","event":"nft_transfer","data":[{"old_owner_id":"0500ee199588c5003eef5f22ec9b6d3545dad2a72b617de5043fb3b399e9d693","new_owner_id":"3757999640ad5ebb125a0dc07d3b1815d0016870f038ed294b920f0f411f47b4","token_ids":["20002555CR1641"]}]}