EVENT_JSON:{"standard":"Nep245Event","version":"1.0.0","event":"mt_transfer","data":[{"old_owner_id":"black-snow-event.testnet","new_owner_id":"1bf3d2eed18287b2c153a6444fc51464ddd908d295b9fcf2a9eac5b88c057dac","token_ids":["1","3"],"amounts":["9","1"]}]}