AvmrvQbe9RHkzQruEF5Lve5Px6wERxv17tbByUnykyL
{"type":"add_market_data","params":{"owner_id":"kerzner8.near","approval_id":2,"nft_contract_id":"nearton_nft.near","token_id":"2748","ft_token_id":"near","price":"23000000000000000000000000","started_at":null,"ended_at":null,"end_price":null,"is_auction":null,"transaction_fee":"200"}}