{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "18281",
    "entityType": "User",
    "nonce": "0xdee600eaf36cf4dd007ef3f7ef4a4e33066a5c20a3f972f2404f908c8f9636af",
    "signature": "0x87184bfbb6dcb46bbe9fac02c076002a27af6fb296e5426d4687ac939b2a144b0ec5874ca7329ee428e60cea386b7e20eef8f112dc5f1768529e559244b3e6c11c",
    "signer": "0x3256Bd2D0B1984E7df4FA525017aD9bA48470760",
    "userId": "51"
  }
}