{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "4071",
    "entityType": "User",
    "nonce": "0xa0381f8bcd3fc3a88cf4b71fb0ca467fe477c1d0fd145dd75c555a5a6628f1da",
    "signature": "0x56d8391685175f4a0c4939ec9f9ad2da0d175698f5e8ea45a458e8e3bd9e4ded076d92f10f78a82e2249cc4a2c9a5aee07e365b7d7bf477c189beccc38dc08e21b",
    "signer": "0x8b77d47DA28d313A2824468913d2f44F9a5B7b75",
    "userId": "808833626"
  }
}