{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "83780",
    "entityType": "User",
    "nonce": "0x18b735bc7002a4366d4f6e6ba362ff65dcacc7a17cab5fba1b5908d20f491f96",
    "signature": "0x9ca8203ee6acdabab608a28d1c92015a3eb32a5a1a526ccdb957573fb7f2398209c2bbb5c384eb7eee3febaa038404bd04b9bfae7136665a4836393087c60b1b1b",
    "signer": "0x5823e56644991c5f5f29870830175996Edb011c0",
    "userId": "433764837"
  }
}