EkK7CtHZ5tNKwyBrs1JrkCpWusxjuyfdRThkS3Q7jnGi
{"type":"add_market_data","params":{"owner_id":"giaphongvks.near","approval_id":2,"nft_contract_id":"near-punks.near","token_id":"2373","ft_token_id":"near","price":"8000000000000000000000000","started_at":null,"ended_at":null,"end_price":null,"is_auction":null,"transaction_fee":"200"}}