9PJ8QKas2DCq7nrRzR2UKtDBYcajYyZFYpSXtBLS3tdD
{"type":"add_market_data","params":{"owner_id":"card4card.near","approval_id":13,"nft_contract_id":"cartelgen1.neartopia.near","token_id":"982","ft_token_id":"near","price":"19500000000000000000000000","started_at":null,"ended_at":null,"end_price":null,"is_auction":null,"transaction_fee":"200"}}