FSxWhA4Leo4cQPfrvBYFrRPEk5q8XhVi7WAk7mfGpkg4
{"type":"add_market_data","params":{"owner_id":"andreuccio.near","approval_id":7,"nft_contract_id":"x.paras.near","token_id":"388381:1","ft_token_id":"near","price":"500000000000000000000000","started_at":null,"ended_at":null,"end_price":null,"is_auction":null,"transaction_fee":"200"}}