77NpHM5wUxMhTHqvMRf3yKDUNHSLSt2Y6zoLHrNAFLMZ
{"type":"add_market_data","params":{"owner_id":"isdabest.near","approval_id":1,"nft_contract_id":"nftv1.web3mon.near","token_id":"816","ft_token_id":"near","price":"4000000000000000000000000","started_at":null,"ended_at":null,"end_price":null,"is_auction":null,"transaction_fee":"200"}}