{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x66518058f2fcd0284188f6330a01da23d14076f4a6d1ae75f439df3b9685614a",
    "signature": "0x62880e276088b673f68a2fdb716564dd26b43b6bbf810ef2d70aa6c683b07d023284d40838f83e49dbec5eab7f0d642222d92ef5faf2ae7b9e68f45a40f7b74d1c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}