D21JQhf3kwQh18J4G7fmccxhCMxkHz15s9Wn89VLZqFc
{"type":"add_market_data","params":{"owner_id":"cryptosto.near","approval_id":2,"nft_contract_id":"x.paras.near","token_id":"14627:3","ft_token_id":"near","price":"50000000000000000000000","started_at":null,"ended_at":null,"end_price":null,"is_auction":null,"transaction_fee":"200"}}