JAJAmcfoeepkzE21ZzU5tgkuRtQJKJr9zBYG9kKmaExz
{"type":"add_market_data","params":{"owner_id":"7c8557936399ac9407545d1ac8de2151cad6af64289e602dc019f2979d16262a","approval_id":18,"nft_contract_id":"nearton_nft.near","token_id":"897","ft_token_id":"near","price":"20000000000000000000000000","started_at":null,"ended_at":null,"end_price":null,"is_auction":null,"transaction_fee":"200"}}