EVENT_JSON:{"standard":"nep141","version":"1.0.0","event":"ft_transfer","data":[{"old_owner_id":"75f2d6ec145d9d22d9eaefb9a0fb2feb2ea9a0d3f3f7f7e08f31c703a1774f6e","new_owner_id":"reward-optin.sweat","amount":"4000000000000000000","memo":"sw:rew:optin:MKB4ae64Dn-75f2d6ec145d9d22d9eaefb9a0fb2feb2ea9a0d3f3f7f7e08f31c703a1774f6e"}]}