{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1474384",
    "entityType": "User",
    "nonce": "0x289e1fbbb6e2437e6a234d4b52761c712331fbadf253554960e4bd87e302d677",
    "signature": "0x907bdee9b0c9df9959248682c20f64f193321d61efc3fb1e3e9febb1e22cc4180c69993905dd827fce9884c9af7417dbbf6ecc3b60d9916197b873a1bf78cdbe1c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}