{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "464332",
    "entityType": "User",
    "nonce": "0xd6cbb94a58023e4175e9ca0196406c032cfe08cf934d619e5def9c611db4745e",
    "signature": "0xe604112ec591b88452613dd38a34779bf8eca91051884ae48a159e355d780f60112113dea5b9f846f23cadea65031d02888b9b43654db02a393e91fd788feed31c",
    "signer": "0xC35123bF05ca0B3A7B333c53E47bcd9f9DA864d4",
    "userId": "33896318"
  }
}