{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0xb9dc55852985a228c36b7f7729e9d93de191f8844b4f76d8c03d679a1fb4adb5",
    "signature": "0x3d6b20d3b455e806d283ba74a5b536aa01c19e804b5194a9f57d36d229396c1277b41087b75970dd376c1b88b3c7a3b4708f184a9cf28e1cd1bc8ad150fb68b51c",
    "signer": "0xE5c3922424A1B896ad08ED5889f36Ca5DC40660a",
    "userId": "229327490"
  }
}