{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "3732",
    "entityType": "User",
    "nonce": "0x3c3e06523222f8419e253bd4bf7c432f7dd548683c439c9aa31453a578df1bb0",
    "signature": "0xf9adf43e2369aa370283629de90b4370971b23e31b47caf3b20f0798bb2b22f9647b8e2e3222d42ae80e5de4225a51aabe1c0436aaa1f454c47f1e6be36b9c471b",
    "signer": "0x6B7F882A34611Bd25a9cdAbF8a8f0cE9962F5335",
    "userId": "358693582"
  }
}