{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xadd19cb605d6c40bf78a56438c74135e5190fc66316b77b442d2480d1816b134",
    "signature": "0x19338eb254d1d88583f43f3685a403e06fc5f3def2aeab897d775a7cdd56c2d247830206962b4ec1fd691fa9dc401c01c2ae6bcd91330b2165b379313d51358c1c",
    "signer": "0xdc774bc3dDe14Deb5FFf307E6B1BA0fC77D1243E",
    "userId": "274667836"
  }
}