{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0xe2ddac29d3fecd73bc0ac098fb540e2eb19b8552c8804a6c3e00059bc9db1337",
    "signature": "0x1f90df4f3763ad3de5353cc8d10c095741dc66d08e63a4f510fbdfcbc166289d2bfb78ad04538369d1adb449000342955a089320abb6b88c065ebb5afeb9a7531b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}