{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x31af007f2834f1865a0b5c56b60f3479423a791b45be01a0fd541cbbbfd410a9",
    "signature": "0x816ea21e35ce5ded77deac868b6a35142a68cb3ab97420e5da9952f6bb309c4d69c737d22bd71594d3295b9d85648b019bba22a44c2d26156900822c8cb731351c",
    "signer": "0x2ACda02e37Db2DC08f82aEFAB268F0610974bb3c",
    "userId": "416239376"
  }
}