{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "88631",
    "entityType": "User",
    "nonce": "0x8e9cdcd491a8c59ed17ef397dac7513899ee441b6e727a5ec59d95993f8fabcc",
    "signature": "0x5485323cfae9a22e357c700c2fe3b8bf33f34e0add9935938f60599856a3dfb44959049e6c371555b657cbdf5436a003df82a8bb6965266acd3e2e80b5319b881c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}