{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "83263",
    "entityType": "User",
    "nonce": "0x53171e8b99ea10687a3f2b53961a9d51df21ed754b8109a58e093bf676b3c63b",
    "signature": "0x24cb004cc40c8b7379345197ea8cb10367231089cb57c3deed047e9280526a207770835ffb803a4f9ddc3b4e91d9c27462a78dacce966f1c3e514d0721414c8f1b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}