{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0xaae583ac6b4d1c5d3857761e1bd5513f33bdd575d781a24cd07b998f59070f7c",
    "signature": "0x61d5b362d25b8d712dd4668ae055a16fedc9a8ff2cead2c973cfe9b2687712a41a9e86bd46f9af60aa6264d1670ae32218dc352dc6297f79b2998a2a5acb15341c",
    "signer": "0x0fe82f565AaE260D57b8e691c61Fb05fE83B6F81",
    "userId": "614212580"
  }
}