E6B4poXj1gZJsV9zumXFjubTEjth7wQiasEKyyY8ZtSb
{"type":"add_market_data","params":{"owner_id":"jeckun.near","approval_id":1,"nft_contract_id":"nearvidia.sharddog.near","token_id":"token57","ft_token_id":"near","price":"7500000000000000000000000","started_at":null,"ended_at":null,"end_price":null,"is_auction":null,"transaction_fee":"200"}}