{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "5680",
    "entityType": "User",
    "nonce": "0xbfbe9e33655b4b3fd44524f02aaf4aded508bbdbdefe4b69cc3f8798616e1ac1",
    "signature": "0x445a86009be48fe6d69331c119930a772f5c344f69e22568bcc3b883f02cc4452be53e0a20f2bba205bbbb91db1dca10bae028a0c0e6b775241426c760ad10db1c",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}