8YP497iVXLGMxv3Wy7VuWknf2Csz94UeuWSCpE7MiXfr
{"type":"add_market_data","params":{"owner_id":"flowscience.near","approval_id":23,"nft_contract_id":"secretskelliessociety.near","token_id":"518","ft_token_id":"near","price":"42000000000000000000000000","started_at":null,"ended_at":null,"end_price":null,"is_auction":null,"transaction_fee":"200"}}