EVENT_JSON:{"standard":"nep171","version":"1.0.0","event":"nft_transfer","data":[{"old_owner_id":"7e46b5fd4ecdd79e4bd7abd775d86c6681cad90ddd405d3cf29a488876977cd0","new_owner_id":"0b2d31344252f2f1a6dbf6df01d0083c15d035e259eabf543043bbe367d8c959","token_ids":["5197"]}]}