{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "707937",
    "entityType": "User",
    "nonce": "0x4180bc4955619a796731850076874396a14a84dde7991befcf50bfb1cf5da847",
    "signature": "0xfc7ea97ba515ec4cef550b6261ac7ae8e1bd4563fb88a6b60c9ba06c847d97215563162d9acaab67fb419d66147ee254d8b15c2de0782373f96902d4e2f8c3721c",
    "signer": "0x7Cd0ceFFA31863F9b36590f34120a299D2391F6F",
    "userId": "651253830"
  }
}