{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "319828",
    "entityType": "User",
    "nonce": "0xb0c616b5d184cbba2bf334b06db066ff1daff6ffd0b4700870527bb5281f9b84",
    "signature": "0x15d2ace31863567f3c2a41feeaa8cd571da9eef8470fe405d8fe25a76c040c8e45b779c77c6c2b8ffd93fddb34b5ffea6cbb98efd77ed14b92b5010bec09167e1c",
    "signer": "0x95B378bAaBcca47f15C460388CAEadc2772f66eb",
    "userId": "140"
  }
}