{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "302827053",
    "entityType": "User",
    "nonce": "0xe81a2f23ab4dbe4dbc4f1be2e710056c15f9191c77487c9a3378f2a920561758",
    "signature": "0x608f318e9fefbdffb91aa9168f5f636d4eb017b74cb83e9f38cf555a767e27ed0acb41759c4a15814b50bf6769d9ca08e1cb42414c35ff120705460a657fadcc1b",
    "signer": "0x0bcE53d312886f0Ebabf971B4dbB5c9a3807E720",
    "userId": "722764767"
  }
}