{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "135831",
    "entityType": "User",
    "nonce": "0xb278f1e87cb3634ad2d392ba68c573d5dd3d1ee642f078d982ea9fcda0f4ee0c",
    "signature": "0xa129fa70ef7d5f090a634fa5c08842f919b87448a9fd946788230280f3dc77c67ffade029961fac7029e7e20be2ad4bdbddc119bf85f9bc44c05e448ae6993ff1c",
    "signer": "0x33c702d534707f8Cada5DdD521C5900827973f1D",
    "userId": "5642"
  }
}