{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "735980234",
    "entityType": "User",
    "nonce": "0x19ff84337a482cdaccd3d06183ae997b4433aa4c0545de52e518d97feadc1fe0",
    "signature": "0xafc6a9adce8c089847ae2c735520aab49fcb21b7b8e13d819551f28bc3dfdac1362790e20b98914a946a9567c1b237b4df9bc88b888492f692cecd4343fe711b1b",
    "signer": "0x808dc688c8aF9f9BE20E02246BE7C0fCBe9B4C34",
    "userId": "396164"
  }
}