HvTGmCTTvE4JZRQCV4mxPsgjKmMsCyMZuuLkfno8qRid
{"type":"add_market_data","params":{"owner_id":"den_inverse.near","approval_id":3,"nft_contract_id":"mtvrsnftcontract.near","token_id":"metamon:101922","ft_token_id":"near","price":"7000000000000000000000000","started_at":null,"ended_at":null,"end_price":null,"is_auction":null,"transaction_fee":"200"}}