{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xf597a8f5e85326e40e2f868c2391ea80817929daa98cf050e8b3417552476026",
    "signature": "0x05537813428222dcd3efbcba4efed3200c95f5930184958d6c899390be995bae00e1877841a969c63da516701e017de481f505e1dda9a352a9a74a366ec7593b1c",
    "signer": "0x46a1fC3dF4596AF142DE38e6d8946b07E6392E99",
    "userId": "838613780"
  }
}