{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "528478879",
    "entityType": "User",
    "nonce": "0xb98ff33a311570810391ffe5c9bf4ba520b8d8fd825d82dfa104db8242fe62dd",
    "signature": "0x7a6b201257e36ae6056f7d32752a2e29fd27ba9f90ad2b277e394aa10ee96f7d2b9306ac2b72723816cbd9af9c2bfaa08f87c46940587eb1c45c3f0d992266ec1c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}