{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "73258",
    "entityType": "User",
    "nonce": "0x77d44ddc590764b5d3c131a7743d32ab7c6b755c0747ef793cba57e26b7a0f5d",
    "signature": "0x5a8f7cfd231009b47233c449d32c097851c676bbf6cbad5c879022ccd448529626f20a0b398679dc2a65537c86b365a761d42e21e5e184acb420155e6801dc6f1c",
    "signer": "0x3256Bd2D0B1984E7df4FA525017aD9bA48470760",
    "userId": "51"
  }
}