{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "39389",
    "entityType": "User",
    "nonce": "0xcbf41ec4718fbf6c14565b8e45bdafbffae78e723ea6d2072bc52346c08f5305",
    "signature": "0xfcf80b0d82a664cbb01905e87d14bc08404e1167450e666b082e809d644bc3b6510ed74229ec90d7e6f0e21918e7a6d8823654621824d9f02ccaf9e24ab9af741c",
    "signer": "0xFc16cd3d00cc0E9F656756889A407244651ceCaf",
    "userId": "234225215"
  }
}