{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "80218",
    "entityType": "User",
    "nonce": "0xea42a1c37be3aa1cc6833c438ffbe162b44ee10063f8c1c7cf4e760d49d3b1f8",
    "signature": "0x7ed1c8e7ad83359fa9e213f746e3fbbbfa4a3118a300480007f5b1fb592808756ee357490c3e80478ed03839410981c12efca378367aa16933d299221c8bf2551c",
    "signer": "0x3CE307cb27B2Fc2b03Eae311050CA4e8C34Fa57d",
    "userId": "50936"
  }
}