WjQYJq1RdhGkX6ZmRxrL8uVe7RXSpFnD2pgijk5VEAh
{"type":"add_market_data","params":{"owner_id":"coffeeholic.near","approval_id":25,"nft_contract_id":"nearton_nft.near","token_id":"42","ft_token_id":"near","price":"89890000000000000000000000","started_at":null,"ended_at":null,"end_price":null,"is_auction":null,"transaction_fee":"200"}}