{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "533991288",
    "entityType": "User",
    "nonce": "0x2ae419023a25fb33cc09911b796162dc95a67a1c73596f4f653871c430b61397",
    "signature": "0x0ce706a7052e0d6a645074283092bb232cee729b91bfef475bc726c169c056ad3d840a307f4d49012b7fb87d41d28ee0256e6d5721cc90c8771b632dae8af42e1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}