{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0xde585f649cdd6944b03572fbae2b69fe7fe0f0a24abf712afa6937a983b9bf22",
    "signature": "0x9c8ab976b8bd1f007c7186d1d495b0172a9fd56d5d0037c22489ea116674665b00925ad453fb077f86230eea914b5a4588b1dbf1589a0212df44a41fd72d2f271b",
    "signer": "0x0fdbE0966d6f65E3DE225D16D06131c10d4F2b3e",
    "userId": "560630042"
  }
}