4j73a6snLKkTnSKtCzcZ2jUM2YkuN73FxYPCPvvZaGnj
{"type":"add_market_data","params":{"owner_id":"9alifart.near","approval_id":1,"nft_contract_id":"x.paras.near","token_id":"334119:1","ft_token_id":"near","price":"10000000000000000000000000","started_at":null,"ended_at":null,"end_price":null,"is_auction":null,"transaction_fee":"200"}}