{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0xcab098d7a8c404b49a5c0e6d1ca12040946616ae825bbd1b6de79bbf5f61190c",
    "signature": "0x48326840f12658332880975619427e59d0e63246563901c02bea5eec760e22bc320d2427600661e6dc3f1149077ddb40bd8b2bb8b655b2098732eb6917ed5e681c",
    "signer": "0x0fe82f565AaE260D57b8e691c61Fb05fE83B6F81",
    "userId": "614212580"
  }
}