{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "536740013",
    "entityType": "User",
    "nonce": "0x0b1af198fe0d2926f6d54967b721bd0eb4f8f221e21390ced709dcbedb1d6e24",
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    "signer": "0x3256Bd2D0B1984E7df4FA525017aD9bA48470760",
    "userId": "51"
  }
}