{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "7088",
    "entityType": "User",
    "nonce": "0x2014641effef53447a9f10e3ae5526e87434a605cbc100028dc674300dd9de46",
    "signature": "0x9b8300392aa5a6eb5afa0e4474a6104054c50bfa52a44fdec01c49646726856920bb51c61c9e5b4887da5c2663a3abbac7e4aac9c8def196d1e7474abccd41a21b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}