4VFVzZ6PpvsaHLrB6D8xHmgqX73FeEHmx5nShuwfhUn8
{"type":"add_market_data","params":{"owner_id":"henryis.near","approval_id":10,"nft_contract_id":"mrbrownproject.near","token_id":"3772","ft_token_id":"near","price":"69000000000000000000000000","started_at":null,"ended_at":null,"end_price":null,"is_auction":null,"transaction_fee":"200"}}