{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "33896318",
    "entityType": "User",
    "nonce": "0x085d5d4897536eebb178f8f6b70105a3dd5c87d9087f0b88ceb0d337e1d7cfc7",
    "signature": "0x3a46064d536eb740b4118eeb7f9bb3f3c889a6cdbe174ae4d1986f8893dbc76e4ac009bdd1d63fb6669be40b22704abbb85af16e3bf647f61db7a17618c5e60e1c",
    "signer": "0xa3C91a44f620f0b95468bEC359f89edb95AE3cdC",
    "userId": "904405512"
  }
}