Fg4XVmdApVMvgyKx9QDNBUkD2rwyV2mLHo9mML41aPfq
{"type":"add_market_data","params":{"owner_id":"7770ac28a98243b3827b7fe35ae8c0e9cb962bd1b50b99e61b69411239b742df","approval_id":10,"nft_contract_id":"x.paras.near","token_id":"332653:1","ft_token_id":"near","price":"69690000000000000000000000","started_at":null,"ended_at":null,"end_price":null,"is_auction":null,"transaction_fee":"200"}}