E7Tk6GTw6gP5dj4oF98U9UNHEUKdJh2hW7QqKNh9hgpy
{"type":"add_market_data","params":{"owner_id":"polballarin.near","approval_id":3,"nft_contract_id":"x.paras.near","token_id":"168167:1","ft_token_id":"near","price":"3500000000000000000000000","started_at":null,"ended_at":null,"end_price":null,"is_auction":null}}