{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "527480232",
    "entityType": "User",
    "nonce": "0x577a0b8e81d0bbcc9a8964815b3e2ad56f8b28b1124693ea70c9324daef276ae",
    "signature": "0x48c33a948f22d2098535871b4bfa5627ad77169f9aededfda8e87ee3a4687ceb4fd17fc61a02a10f7c9249dc3a0b6b0c75b68d64cdc058519943067337a60a091c",
    "signer": "0xFA2BcB8D14637859aa98a87cbe91187525bbB963",
    "userId": "965833467"
  }
}