{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "444113",
    "entityType": "User",
    "nonce": "0xe0d4b6b3ab4ba7d94580af43009503968b614f7790e81125764f3099876d3578",
    "signature": "0x959beb4644fca140cb2bbcfcb6cf9e3c7c37b905164fa8fea6c0f8d19d66a40141b43857afa4e8a6b36d396031e5378a90da496f7e0862ef6ae66b40c1c802b51c",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}