4yhp7jX8vrMEK5kYBk5do5DnfsL2MFnK2fMqcx4rHNyi
{"type":"add_market_data","params":{"owner_id":"274dcc66143ea5c191b5c1ce242810fdb965b73154b970e4d5bc28e89d931aef","approval_id":16,"nft_contract_id":"nearnautnft.near","token_id":"token-naut-16384436019010","ft_token_id":"near","price":"16000000000000000000000000","started_at":null,"ended_at":null,"end_price":null,"is_auction":null,"transaction_fee":"200"}}