{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "893287807",
    "entityType": "User",
    "nonce": "0xca6b94da22148409642cf84b24c0695276a2334676d1e0f85aeb30852c2f5466",
    "signature": "0x7fbde952dad8ce9670ccc0546614a6c7922794b7e0e18a86d8bcec66d89352042f267d1533e9a8070f818e9f3395faaa7b3cb30e526964d2779fc3c39a9f186c1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}