S6fA2ZXeUZgfQ1AWy5UrcAmcRKEhH46hJ1gcddHX3Vn
{"type":"add_market_data","params":{"owner_id":"025bda5b783fe01028d5868e7880bc954b264b27cb4f4ddbd7f7a33ea72bda46","approval_id":8,"nft_contract_id":"tayc-nft.near","token_id":"251","ft_token_id":"near","price":"5000000000000000000000000","started_at":null,"ended_at":null,"end_price":null,"is_auction":null,"transaction_fee":"200"}}